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Document And Entity Information - USD ($) $ in Millions	3 Months Ended								12 Months Ended
Document And Entity Information - USD ($) $ in Millions	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 31, 2010	Oct. 02, 2010	Jul. 04, 2010	Apr. 03, 2010	Dec. 31, 2011	Feb. 22, 2012
Class of Stock [Line Items]
Entity Registrant Name									VISHAY INTERTECHNOLOGY INC
Entity Central Index Key									0000103730
Current Fiscal Year End Date									--12-31
Entity Well-known Seasoned Issuer									No
Entity Voluntary Filers									No
Entity Current Reporting Status									Yes
Entity Filer Category									Large Accelerated Filer
Entity Public Float			$ 2,247
Document Fiscal Year Focus									2011
Document Fiscal Period Focus									FY
Document Type									10-K
Amendment Flag									false
Document Period End Date	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 31, 2010	Oct. 02, 2010	Jul. 03, 2010	Apr. 03, 2010	Dec. 31, 2011
Common Stock [Member]
Class of Stock [Line Items]
Entity Common Stock, Shares Outstanding										144,910,898
Common Class B [Member]
Class of Stock [Line Items]
Entity Common Stock, Shares Outstanding										12,299,227

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 749,088	$ 897,338
Short-term investments	249,139	0
Accounts receivable, net of allowances for doubtful accounts of $7,187 and $9,253, respectively	270,970	330,556
Inventories
Finished goods	104,478	109,762
Work in process	181,354	178,844
Raw materials	131,795	139,216
Total inventories	417,627	427,822
Deferred income taxes	24,632	31,903
Prepaid expenses and other current assets	119,220	106,885
Total current assets	1,830,676	1,794,504
Property and equipment, at cost:
Land	91,507	93,020
Buildings and improvements	493,550	477,518
Machinery and equipment	2,079,395	2,025,793
Construction in progress	94,717	75,051
Allowance for depreciation	(1,851,264)	(1,759,268)
Property and equipment, net	907,905	912,114
Goodwill	9,051	0
Other intangible assets, net	103,927	113,830
Other assets	142,171	145,645
Total assets	2,993,730	2,966,093
Current liabilities:
Notes payable to banks	13	23
Trade accounts payable	154,942	167,795
Payroll and related expenses	109,833	122,234
Other accrued expenses	161,119	186,049
Income taxes	13,881	51,060
Total current liabilities	439,788	527,161
Long-term debt, less current portion	399,054	431,682
Deferred income taxes	110,356	82,043
Other liabilities	117,235	136,940
Accrued pension and other postretirement costs	319,136	291,117
Total liabilities	1,385,569	1,468,943
Commitments and contingencies	0	0
Stockholders' equity:
Capital in excess of par value	2,086,925	2,156,981
(Accumulated deficit) retained earnings	(503,416)	(742,237)
Accumulated other comprehensive income (loss)	3,778	60,491
Total Vishay stockholders' equity	1,603,006	1,491,731
Noncontrolling interests	5,155	5,419
Total equity	1,608,161	1,497,150
Total liabilities and equity	2,993,730	2,966,093
Common Stock [Member]
Stockholders' equity:
Common stock, par value $0.10 per share: authorized - 300,000,000 shares; 150,611,657 and 172,283,533 shares outstanding after deducting zero and 274,173 shares in treasury as of December 31, 2010 and 2009, respectively	14,374	15,061
Class B Convertible Common Stock [Member]
Stockholders' equity:
Common stock, par value $0.10 per share: authorized - 300,000,000 shares; 150,611,657 and 172,283,533 shares outstanding after deducting zero and 274,173 shares in treasury as of December 31, 2010 and 2009, respectively	$ 1,345	$ 1,435

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Accounts receivable, allowances for doubtful accounts	$ 2,005	$ 7,187
Stockholders' equity
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common Stock [Member]
Stockholders' equity
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares outstanding (in shares)	143,735,481	150,611,657
Class B Convertible Common Stock [Member]
Stockholders' equity
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares outstanding (in shares)	13,452,549	14,352,839

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements of Operations [Abstract]
Net revenues	$ 2,594,029	$ 2,725,092	$ 2,042,033
Costs of products sold	1,874,043	1,917,607	1,653,872
Gross profit	719,986	807,485	388,161
Selling, general, and administrative expenses	367,623	389,547	359,162
Executive compensation charges	5,762	0	57,824
Restructuring and severance costs	0	0	37,874
Asset write-downs	0	0	681
Settlement agreement gain	0	0	(28,195)
Operating Income	346,601	417,938	(39,185)
Other income (expense):
Interest expense	(19,277)	(11,036)	(10,321)
Other	3,792	(1,369)	9,791
Other income (expense), total	(15,485)	(12,405)	(530)
Income (loss) before taxes	331,116	405,533	(39,715)
Income tax expense	91,119	45,240	16,800
Net earnings (loss)	239,997	360,293	(56,515)
Less: net earnings attributable to noncontrolling interests	1,176	1,187	673
Net earnings (loss) attributable to Vishay stockholders	$ 238,821	$ 359,106	$ (57,188)
Basic earnings (loss) per share attributable to Vishay stockholders (in dollars per share)	$ 1.49	$ 1.96	$ (0.31)
Diluted earnings (loss) per share attributable to Vishay stockholders (in dollars per share)	$ 1.42	$ 1.89	$ (0.31)
Weighted average shares outstanding - basic (in shares)	160,094	183,618	186,605
Weighted average shares outstanding - diluted (in shares)	168,514	190,227	186,605

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements of Comprehensive Income [Abstract]
Net earnings (loss)	$ 239,997	$ 360,293	$ (56,515)
Other comprehensive income, net of tax
Foreign currency translation adjustment	(26,441)	(41,930)	10,080
Pension and other post-retirement actuarial items	(29,207)	(15,159)	16,272
Unrealized gain (loss) on available-for-sale securities	(1,065)	602	654
Other comprehensive income (loss)	(56,713)	(56,487)	27,006
Comprehensive income (loss)	183,284	303,806	(29,509)
Less: comprehensive income attributable to noncontrolling interests	1,176	1,187	673
Comprehensive income (loss) attributable to Vishay stockholders	$ 182,108	$ 302,619	$ (30,182)

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Continuing operating activities
Net earnings (loss)	$ 239,997	$ 360,293	$ (56,515)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization	179,706	189,541	228,740
Loss (gain) on disposal of property and equipment	(930)	574	460
Accretion of interest on convertible debentures	2,046	188	0
Inventory write-offs for obsolescence	21,118	21,449	31,908
Pensions and other postretirement benefits, net of contributions	(11,385)	(6,967)	(3,841)
Deferred income taxes	14,108	(26,476)	(12,957)
Other	(16,120)	4,932	(6,128)
Net change in operating assets and liabilities, net of effects of businesses acquired or spun-off	(52,503)	1,730	108,750
Net cash provided by continuing operating activities	376,037	545,264	290,417
Continuing investing activities
Capital expenditures	(168,641)	(145,413)	(50,340)
Proceeds from sale of property and equipment	2,162	1,188	6,387
Purchase of businesses, net of cash acquired	(19,335)	0	28,195
Purchase of short-term investments	(497,258)	0	0
Maturity of short-term investments	226,792	0	0
Sale of investments	2,167	0	0
Proceeds from loans receivable	0	15,000	0
Other investing activities	1,350	(2,287)	1,438
Net cash used in continuing investing activities	(452,763)	(131,512)	(14,320)
Continuing financing activities
Proceeds from long-term borrowings	150,000	275,000	15,000
Issuance costs	(4,429)	(15,116)	0
Principal payments on long-term debt and capital leases	(681)	(104,581)	(28,754)
Net (payments) proceeds on revolving credit lines	(85,000)	115,000	0
Common stock repurchase	(150,000)	(275,000)	0
Distribution in connection with spin-off of VPG	0	(70,600)	0
Net changes in short-term borrowings	(10)	528	(11,278)
Distributions to noncontrolling interests	(1,440)	(757)	(556)
Proceeds from stock options exercised	9,675	0	0
Excess tax benefit from stock options exercised	555	0	0
Net cash used in continuing financing activities	(81,330)	(75,526)	(25,588)
Effect of exchange rate changes on cash and cash equivalents	9,806	(19,995)	7,703
Increase (decrease) in cash and cash equivalents from continuing activities	(148,250)	318,231	258,212
Net cash used in discontinued operating activities	0	(82)	(3,187)
Net cash provided by discontinued investing activities	0	0	0
Net cash used in discontinued financing activities	0	0	0
Net cash used in discontinued operations	0	(82)	(3,187)
Net increase (decrease) in cash and cash equivalents	(148,250)	318,149	255,025
Cash and cash equivalents at beginning of year	897,338	579,189	324,164
Cash and cash equivalents at end of year	$ 749,088	$ 897,338	$ 579,189

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Common Stock [Member] Convertible Senior Debentures, Due 2040 [Member]	Common Stock [Member] Convertible Senior Debentures, Due 2041 [Member]	Class B Convertible Common Stock [Member]	Class B Convertible Common Stock [Member] Convertible Senior Debentures, Due 2040 [Member]	Class B Convertible Common Stock [Member] Convertible Senior Debentures, Due 2041 [Member]	Capital In Excess of Par Value [Member]	Capital In Excess of Par Value [Member] Convertible Senior Debentures, Due 2040 [Member]	Capital In Excess of Par Value [Member] Convertible Senior Debentures, Due 2041 [Member]	Retained Earnings (Accumulated Deficit) [Member]	Retained Earnings (Accumulated Deficit) [Member] Convertible Senior Debentures, Due 2040 [Member]	Retained Earnings (Accumulated Deficit) [Member] Convertible Senior Debentures, Due 2041 [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Convertible Senior Debentures, Due 2040 [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Convertible Senior Debentures, Due 2041 [Member]	Total Vishay Stockholders' Equity [Member]	Total Vishay Stockholders' Equity [Member] Convertible Senior Debentures, Due 2040 [Member]	Total Vishay Stockholders' Equity [Member] Convertible Senior Debentures, Due 2041 [Member]	Noncontrolling Interests [Member]	Noncontrolling Interests [Member] Convertible Senior Debentures, Due 2040 [Member]	Noncontrolling Interests [Member] Convertible Senior Debentures, Due 2041 [Member]	Total
Balance at Dec. 31, 2008	$ 17,220			$ 1,435			$ 2,315,851			$ (865,617)			$ 75,969			$ 1,544,858			$ 5,038			$ 1,549,896
Net earnings (loss)	0			0			0			(57,188)			0			(57,188)			673			(56,515)
Other comprehensive income (loss)	0			0			0			0			27,006			27,006			0			27,006
Distributions to noncontrolling interests	0			0			0			0			0			0			(556)			(556)
Phantom and restricted stock issuances	8			0			(8)			0			0			0			0			0
Stock compensation expense	0			0			1,770			0			0			1,770			0			1,770
Balance at Dec. 31, 2009	17,228			1,435			2,317,613			(922,805)			102,975			1,516,446			5,155			1,521,601
Net earnings (loss)	0			0			0			359,106			0			359,106			1,187			360,293
Other comprehensive income (loss)	0			0			0			0			(56,487)			(56,487)			0			(56,487)
Spin-off of Vishay Precision Group, Inc.	0			0			0			(178,538)			14,003			(164,535)			(166)			(164,701)
Share repurchase	(2,172)			0			(272,828)			0			0			(275,000)			0			(275,000)
Issuance of convertible debentures		$ 0			$ 0			$ 110,094			$ 0			$ 0			$ 110,094			$ 0		110,094
Distributions to noncontrolling interests	0			0			0			0			0			0			(757)			(757)
Phantom and restricted stock issuances	12			0			(12)			0			0			0			0			0
Cancellation of shares	(7)			0			7			0			0			0			0			0
Stock compensation expense	0			0			2,643			0			0			2,643			0			2,643
Tax effects of stock plan	0			0			(536)			0			0			(536)			0			(536)
Conversions from Class B to common stock	0			0			0			0			0			0			0			0
Balance at Dec. 31, 2010	15,061			1,435			2,156,981			(742,237)			60,491			1,491,731			5,419			1,497,150
Net earnings (loss)	0			0			0			238,821			0			238,821			1,176			239,997
Other comprehensive income (loss)	0			0			0			0			(56,713)			(56,713)			0			(56,713)
Share repurchase	(862)			0			(149,138)			0			0			(150,000)			0			(150,000)
Issuance of convertible debentures			$ 0			$ 0			$ 62,246			$ 0			$ 0			$ 62,246			$ 0	62,246
Distributions to noncontrolling interests	0			0			0			0			0			0			(1,440)			(1,440)
Phantom and restricted stock issuances	20			0			(161)			0			0			(141)			0			(141)
Stock options exercised	65			0			9,610			0			0			9,675			0			9,675
Stock compensation expense	0			0			6,832			0			0			6,832			0			6,832
Tax effects of stock plan	0			0			555			0			0			555			0			555
Conversions from Class B to common stock	90			(90)			0			0			0			0			0			0
Balance at Dec. 31, 2011	$ 14,374			$ 1,345			$ 2,086,925			$ (503,416)			$ 3,778			$ 1,603,006			$ 5,155			$ 1,608,161

Consolidated Statements of Stockholders' Equity (Parenthetical) - shares	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Phantom and restricted stock issuances (in shares)	193,602	119,010	82,997
Stock options exercised (in shares)	650,621
Share repurchase (in shares)	8,620,689	21,721,959
Cancellation of shares (in shares)		68,976
Conversions from Class B to common stock (in shares)	900,290	49

- Definition

Number of shares issued during the period as a result of the conversion of convertible securities.

+ References

+ Details

- Definition

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

+ References + Details

Summary of Significant Accounting Policies	12 Months Ended
Summary of Significant Accounting Policies	Dec. 31, 2011
Summary of Significant Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Note 1 – Summary of Significant Accounting Policies Use of Estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States (“GAAP”) requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ significantly from those estimates. Principles of Consolidation The consolidated financial statements include the accounts of Vishay and all of its subsidiaries in which a controlling financial interest is maintained. For those consolidated subsidiaries in which the Company’s ownership is less than 100 percent, the outside stockholders’ interests are shown as noncontrolling interest in the accompanying consolidated balance sheets. Investments in affiliates over which the Company has significant influence but not a controlling interest are carried on the equity basis. Investments in affiliates over which the Company does not have significant influence are accounted for by the cost method. All intercompany transactions, accounts, and profits are eliminated. Subsequent Events In connection with the preparation of the consolidated financial statements and in accordance with GAAP, the Company evaluated subsequent events after the balance sheet date of December 31, 2011 through the date these financial statements were issued through the filing of this annual report on Form 10-K with the U.S. Securities and Exchange Commission. Revenue Recognition The Company recognizes revenue on product sales during the period when the sales process is complete. This generally occurs when products are shipped to the customer in accordance with terms of an agreement of sale, title and risk of loss have been transferred, collectibility is reasonably assured, and pricing is fixed or determinable. For a small percentage of sales where title and risk of loss passes at point of delivery, the Company recognizes revenue upon delivery to the customer, assuming all other criteria for revenue recognition are met. The Company historically has had agreements with distributors that provided limited rights of product return. The Company has modified these arrangements to allow distributors a limited credit for unsaleable products, which it terms a “scrap allowance.” Consistent with industry practice, the Company also has a “stock, ship and debit” program whereby it considers requests by distributors for credits on previously purchased products that remain in distributors’ inventory, to enable the distributors to offer more competitive pricing. In addition, the Company has contractual arrangements whereby it provides distributors with protection against price reductions initiated by the Company after product is sold by the Company to the distributor and prior to resale by the distributor. The Company records a reduction of revenue during each period, and records a related accrued expense for the period, based upon its estimate of product returns, scrap allowances, “stock, ship and debit” credits, and price protection credits that will be attributable to sales recorded through the end of the period. The Company makes these estimates based upon sales levels to its distributors during the period, inventory levels at the distributors, current and projected market conditions, and historical experience under the programs. While the Company utilizes a number of different methodologies to estimate the accruals, all of the methodologies take into account sales levels to distributors during the relevant period, inventory levels at the distributors, current and projected market trends and conditions, recent and historical activity under the relevant programs, changes in program policies, and open requests for credits. These procedures require the exercise of significant judgments. The Company believes that it has a reasonable basis to estimate future credits under the programs. Royalty revenues, included in net revenues on the consolidated statements of operations, were $6,633, $5,781 and $5,710 for the years ended December 31, 2011, 2010, and 2009, respectively. The Company records royalty revenue in accordance with agreed upon terms when performance obligations are satisfied, the amount is fixed or determinable, and collectibility is reasonably assured. Vishay earns royalties at the point of sale of products which incorporate licensed intellectual property. Accordingly, the amount of royalties recognized is determined based on periodic reporting to Vishay by its licensees, and based on judgments and estimates by Vishay management, which management considers reasonable. Shipping and Handling Costs Shipping and handling costs are included in costs of products sold. Research and Development Expenses Research and development costs are expensed as incurred. The amount charged to expense for research and development (exclusive of purchased in-process research and development) aggregated $55,809, $50,968, and $50,745, for the years ended December 31, 2011, 2010, and 2009, respectively. The Company spends additional amounts for the development of machinery and equipment for new processes and for cost reduction measures. Grants Government grants received by certain subsidiaries, primarily in Israel, are recognized as income in accordance with the purpose of the specific contract and in the period in which the related expense is incurred. Grants recognized as a reduction of costs of products sold were $483, $543, and $688 for the years ended December 31, 2011, 2010, and 2009, respectively. Deferred grant income included in other liabilities on the consolidated balance sheets was $2,185 and $2,788 at December 31, 2011 and 2010, respectively. The grants are subject to certain conditions, including maintaining specified levels of employment for periods up to ten years. Noncompliance with such conditions could result in the repayment of grants. However, management expects that the Company will comply with all terms and conditions of the grants. Income Taxes The provision for income taxes is determined using the asset and liability approach of accounting for income taxes. Under this approach, deferred taxes represent the future tax consequences expected to occur when the reported amounts of assets and liabilities are recovered or paid. The provision for income taxes represents income taxes paid or payable for the current year plus the change in deferred taxes during the year. Deferred taxes result from differences between the financial and tax bases of the Company’s assets and liabilities and are adjusted for changes in tax rates and tax laws when changes are enacted. Valuation allowances have been established for deferred tax assets which the Company believes do not meet GAAP criteria of “more likely than not.” This criterion requires a level of judgment regarding future taxable income, which may be revised due to changes in market conditions, tax laws, or other factors. If the Company’s assumptions and estimates change in the future, valuation allowances established may be increased, resulting in increased tax expense. Conversely, if the Company is ultimately able to utilize all or a portion of the deferred tax assets for which a valuation allowance has been established, then the related portion of the valuation allowance can be released, resulting in decreased tax expense. At the present time, substantially all earnings generated by foreign subsidiaries are expected to be reinvested outside of the United States indefinitely. Accordingly, no provision has been made for U.S. federal and state income taxes on these foreign earnings. Upon distribution of those earnings in the form of dividends or otherwise, the Company would be subject to U.S. income taxes (subject to an adjustment for foreign tax credits), state income taxes, incremental foreign income taxes, and withholding taxes payable to the various foreign countries. Cash, Cash Equivalents, and Short-Term Investments Cash and cash equivalents includes demand deposits and highly liquid investments with maturities of three months or less when purchased. Highly liquid investments with original maturities greater than three months, but less than one year are classified as short-term investments. Allowance for Doubtful Accounts The Company maintains an allowance for doubtful accounts for estimated losses resulting from the inability of its customers to make required payments. The allowance is determined through an analysis of the aging of accounts receivable and assessments of risk that are based on historical trends and an evaluation of the impact of current and projected economic conditions. The Company evaluates the past-due status of its trade receivables based on contractual terms of sale. If the financial condition of the Company’s customers were to deteriorate, resulting in an impairment of their ability to make payments, additional allowances may be required. Bad debt expense (income realized upon subsequent collection) was $(93), $(838), and $5,669 for the years ended December 31, 2011, 2010, and 2009, respectively. Inventories Inventories are stated at the lower of cost, determined by the first-in, first-out method, or market. Inventories are adjusted for estimated obsolescence and written down to net realizable value based upon estimates of future demand, technology developments, and market conditions. Property and Equipment Property and equipment is carried at cost and is depreciated principally by the straight-line method based upon the estimated useful lives of the assets. Machinery and equipment are being depreciated over useful lives of seven to ten years. Buildings and building improvements are being depreciated over useful lives of twenty to forty years. Construction in progress is not depreciated until the assets are placed in service. The estimated cost to complete construction in progress at December 31, 2011 was approximately $22,715. Depreciation of capital lease assets is included in total depreciation expense. Depreciation expense was $165,022, $169,724, and $206,009 for the years ended December 31, 2011, 2010, and 2009, respectively. Gains and losses on the disposal of assets which do not qualify for presentation as discontinued operations are included in the determination of operating margin (within selling, general, and administrative expenses). Individually material gains and losses on disposal are separately disclosed in the notes to the consolidated financial statements. Goodwill and Other Intangible Assets Goodwill and indefinite-lived intangible assets are not amortized but rather are tested for impairment at least annually. The required annual impairment tests of goodwill and indefinite-lived intangible assets are completed as of the first day of the fourth fiscal quarter of each year. These tests are performed more frequently whenever events or changes in circumstances indicate that the assets might be impaired. Certain of the Company’s tradenames have been assigned indefinite useful lives. Definite-lived intangible assets are amortized over their estimated useful lives. Patents and acquired technology are being amortized over useful lives of seven to twenty-five years. Capitalized software is amortized over periods of three to ten years, primarily included in costs of products sold on the consolidated statements of operations. Customer relationships are amortized over useful lives of five to seventeen years. Noncompete agreements are amortized over periods of four to ten years. The Company continually evaluates the reasonableness of the useful lives of these assets. GAAP prescribes a two-step method for determining goodwill impairment. In the first step, the Company determines the fair value of the reporting unit and compares that fair value to the net book value of the reporting unit. The fair value of the reporting unit is determined using various valuation techniques, including a comparable companies market multiple approach and a discounted cash flow analysis (an income approach). If the net book value of the reporting unit were to exceed the fair value, the Company would then perform the second step of the impairment test, which requires allocation of the reporting unit’s fair value to all of its assets and liabilities in a manner similar to a purchase price allocation, with any residual fair value being allocated to goodwill. An impairment charge will be recognized only when the implied fair value of a reporting unit’s goodwill is less than its carrying amount. The fair value of the tradenames is measured as the discounted cash flow savings realized from owning such tradenames and not having to pay a royalty for their use. There was no impairment identified through the annual impairment tests completed in 2011, 2010, or 2009. Upon determining that an intangible asset classified as indefinite-lived is impaired, the Company reassesses the useful life of the impaired assets and begins to amortize the remaining carrying value over that useful life if it is determined that the asset no longer has an indefinite useful life. Impairment of Long-Lived Assets The carrying value of long-lived assets held-and-used, other than goodwill and indefinite-lived intangible assets, is evaluated when events or changes in circumstances indicate the carrying value may not be recoverable or the useful life has changed. The carrying value of a long-lived asset group is considered impaired when the total projected undiscounted cash flows from such asset group are separately identifiable and are less than the carrying value. In that event, a loss is recognized based on the amount by which the carrying value exceeds the fair market value of the long-lived asset group. Fair market value is determined primarily using present value techniques based on projected cash flows from the asset group. Losses on long-lived assets held-for-sale, other than goodwill and indefinite-lived intangible assets, are determined in a similar manner, except that fair market values are reduced for disposal costs. Available-for-Sale Securities Other assets include investments in marketable securities which are classified as available-for-sale. These assets include assets that are held in trust related to the Company’s non-qualified pension and deferred compensation plans (see Note 11) and assets that are intended to fund a portion of the Company’s other postretirement benefit obligations outside of the U.S. These assets are reported at fair value, based on quoted market prices as of the end of the reporting period. Unrealized gains and losses are reported, net of their related tax consequences, as a component of accumulated other comprehensive income in stockholders’ equity until sold. At the time of sale the assets that are held in trust related to the Company’s non-qualified pension and deferred compensation plans, any gains (losses) calculated by the specific identification method are recognized as a reduction (increase) to benefits expense, within selling, general, and administrative expenses. Financial Instruments The Company uses financial instruments in the normal course of its business, including from time to time, derivative financial instruments. Additionally, from time to time, the Company enters into contracts that are not considered derivative financial instruments in their entirety, but that include embedded derivative features. The convertible senior debentures due 2040 and due 2041 contain embedded derivatives that are recorded at fair value on a recurring basis. At December 31, 2011 and 2010, outstanding derivative instruments were not material. The Company reports derivative instruments on the consolidated balance sheet at their fair values. The accounting for changes in fair value depends upon the purpose of the derivative instrument and whether it is designated and qualifies for hedge accounting. For instruments designated as hedges, the effective portion of gains or losses is reported in other comprehensive income (loss) and the ineffective portion, if any, is reported in current period net earnings (loss). Changes in the fair values of derivative instruments that are not designated as hedges, including embedded derivatives, are recorded in current period net earnings (loss). The Company has in the past used interest rate swap agreements to modify variable rate obligations to fixed rate obligations, thereby reducing exposure to market rate fluctuations. The Company has also in the past used financial instruments such as forward exchange contracts to hedge a portion, but not all, of its firm commitments denominated in foreign currencies. The purpose of the Company’s foreign currency management is to minimize the effect of exchange rate changes on actual cash flows from foreign currency denominated transactions. Other financial instruments include cash and cash equivalents, short-term investments, accounts receivable, and notes payable. The carrying amounts of these financial instruments reported in the consolidated balance sheets approximate their fair values due to the short-term nature of these assets and liabilities. Foreign Currency Translation The Company has significant operations outside of the United States. The Company finances its operations in Europe and certain locations in Asia in local currencies, and accordingly, these subsidiaries utilize the local currency as their functional currency. The Company’s operations in Israel and most significant locations in Asia are largely financed in U.S. dollars, and accordingly, these subsidiaries utilize the U.S. dollar as their functional currency. For those subsidiaries where the local currency is the functional currency, assets and liabilities in the consolidated balance sheets have been translated at the rate of exchange as of the balance sheet date. Translation adjustments do not impact the consolidated results of operations and are reported as a separate component of stockholders’ equity. Revenues and expenses are translated at the average exchange rate for the year. While the translation of revenues and expenses into U.S. dollars does not directly impact the statement of operations, the translation effectively increases or decreases the U.S. dollar equivalent of revenues generated and expenses incurred in those foreign currencies. For those foreign subsidiaries where the U.S. dollar is the functional currency, all foreign currency financial statement amounts are remeasured into U.S. dollars. Exchange gains and losses arising from remeasurement of foreign currency-denominated monetary assets and liabilities are included in the consolidated results of operations. Stock-Based Compensation Compensation costs related to stock-based payment transactions are recognized in the consolidated financial statements. The amount of compensation cost is measured based on the grant-date fair value of the equity (or liability) instruments issued. Compensation cost is recognized over the period that an officer, employee, or non-employee director provides service in exchange for the award. For options and restricted stock units subject to graded vesting, the Company recognizes expense over the service period for each separately vesting portion of the award as if the award was, in-substance, multiple awards. Commitments and Contingencies Liabilities for loss contingencies, including environmental remediation costs, arising from claims, assessments, litigation, fines, penalties, and other sources are recorded when it is probable that a liability has been incurred and the amount of the assessment and/or remediation can be reasonably estimated. The costs for a specific environmental remediation site are discounted if the aggregate amount of the obligation and the amount and timing of the cash payments for that site are fixed or reliably determinable based upon information derived from the remediation plan for that site. Accrued liabilities for environmental matters recorded at December 31, 2011 and 2010 do not include claims against third parties. Self-Insurance Programs The Company uses a combination of insurance and self-insurance mechanisms to provide for the potential liabilities for workers’ compensation, general liability, property damage, director and officers’ liability, and vehicle liability. As part of its self-insurance program for certain risks, the Company created a wholly-owned captive insurance entity in 2007. At December 31, 2011, the captive insurance entity provides only property and general liability insurance, although it is licensed to also provide casualty and directors and officers’ insurance. The captive insurance entity had no amounts accrued for outstanding claims at December 31, 2011 and 2010. Certain cash and investments held by the captive insurance entity are restricted primarily for the purpose of potential insurance claims. Restricted cash of $7,637 and $8,987 is included in other noncurrent assets at December 31, 2011 and 2010, respectively, representing required statutory reserves of the captive insurance entity. Convertible Debentures The Company separately accounts for the liability and equity components of convertible debt instruments that may be settled in cash in a manner that reflects the Company’s nonconvertible debt borrowing rate. The liability component at issuance is recognized at fair value, based on the fair value of a similar instrument that does not have a conversion feature. A discount is recorded if debentures are issued at a coupon rate which is below the rate of a similar instrument that did not have a conversion feature at issuance. The equity component is based on the excess of the principal amount of the debentures over the fair value of the liability component, after adjusting for an allocation of debt issuance costs and the deferred tax impact, and is recorded as capital in excess of par. Debt discounts are amortized as additional non-cash interest expense over the expected life of the debt. Recently Adopted Accounting Guidance In January 2010, the Financial Accounting Standards Board (“FASB”) updated the accounting guidance related to fair value measurements disclosures. The updated guidance (i) requires separate disclosure of significant transfers in and out of Levels 1 and 2 fair value measurements, (ii) requires disclosure of Level 3 fair value measurements activity on a gross basis, (iii) clarifies existing disaggregation requirements, (iv) and clarifies existing input and valuation technique disclosure requirements. The updated guidance was effective for the Company for interim and annual periods beginning after January 1, 2010, except for the Level 3 fair value measurement disclosure requirements, which are effective for fiscal years beginning after January 1, 2011. Vishay adopted the then-effective aspects of the guidance on January 1, 2010 and adopted the remaining guidance on January 1, 2011. The adoption of the guidance had no effect on the Company’s financial position, results of operations, or liquidity. In June 2011, the FASB issued ASU No. 2011-5, Comprehensive Income (Topic 220), Presentation of Comprehensive Income. The ASU requires that all non-owner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate, but consecutive statements. Vishay early adopted the ASU for its annual period ending December 31, 2011. The adoption of the ASU had no effect on the Company’s financial position, results of operations, or liquidity. In December 2011, the FASB issued ASU No. 2011-12, Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05. The ASU defers the requirement in ASU No. 2011-5 to present on the face of the financial statements the effects of reclassifications out of accumulated other comprehensive income on the components of net income and other comprehensive income. Vishay early adopted the ASU for its annual period ending December 31, 2011. The adoption of the ASU had no effect on the Company’s financial position, results of operations, or liquidity. Reclassifications Certain prior year amounts have been reclassified to conform to the current financial statement presentation.

Acquisition and Divestiture Activities	12 Months Ended
Acquisition and Divestiture Activities	Dec. 31, 2011
Acquisition and Divestiture Activities [Abstract]
Acquisition and Divestiture Activities	Note 2 - Acquisition and Divestiture Activities As part of its growth strategy, the Company seeks to expand through targeted acquisitions of other manufacturers of electronic components that have established positions in major markets, reputations for product quality and reliability, and product lines with which the Company has substantial marketing and technical expertise. Year ended December 31, 2011 Huntington Electric, Inc. On September 28, 2011, Vishay acquired the resistor businesses of Huntington Electric, Inc., for approximately $19,335, net of cash acquired. For financial reporting purposes, the results of operations for these businesses have been included in the Resistors & Inductors segment from September 28, 2011. After allocating the purchase price to the assets acquired and liabilities assumed based on their fair values at the date of acquisition, the Company recorded goodwill of $9,051 related to this acquisition. The goodwill associated with this transaction is deductible for income tax purposes. The Company will test the goodwill for impairment at least annually in accordance with GAAP. Had this acquisition occurred as of the beginning of the periods presented in these consolidated financial statements, the pro forma statements of operations would not be materially different than the consolidated statements of operations presented. Year ended December 31, 2010 Spin-off of Vishay Precision Group, Inc. On October 27, 2009, Vishay announced that it intended to spin off its measurements and foil resistors businesses into an independent, publicly-traded company to be named Vishay Precision Group, Inc. (“VPG”). On June 15, 2010, the Board of Directors of Vishay approved the spin-off of VPG and on July 6, 2010, Vishay completed the spin-off through a tax-free stock dividend to Vishay’s stockholders. Vishay’s common stockholders received 1 share of VPG common stock for every 14 shares of Vishay common stock they held on the record date, June 25, 2010, and Vishay’s Class B common stockholders received 1 share of VPG Class B common stock for every 14 shares of Vishay Class B common stock they held on the record date. Upon completion of the spin-off certain executive officers received bonuses aggregating approximately $2,100, which are reflected in the results of the year ended December 31, 2010. Until July 6, 2010, VPG was part of Vishay and its results of operations and cash flows are included in the amounts reported in these consolidated financial statements for periods prior to the completion of the spin-off. The product lines that comprise VPG are included in the VPG reporting segment. See Note 15 for further information on the effect that VPG had on Vishay’s consolidated results. Relationship with VPG after Spin-off Following the spin-off, VPG is an independent company and Vishay retains no ownership interest. However, two members of the VPG board of directors also serve on Vishay’s board of directors. In connection with the completion of the spin-off, on July 6, 2010, Vishay and its subsidiaries entered into several agreements with VPG and its subsidiaries that govern the relationship of the parties following the spin-off. Among the agreements entered into with VPG and its subsidiaries were a transition services agreement, several lease agreements, and supply agreements. None of the agreements are expected to have a material impact on Vishay’s financial position, results of operations, or liquidity. Vishay also entered into a trademark license agreement with VPG pursuant to which Vishay granted VPG the license to use certain trademarks, service marks, logos, trade names, entity names, and domain names which include the term “Vishay.” The license granted VPG the limited, exclusive, royalty-free right and license to use certain marks and names incorporating the term “Vishay” in connection with the design, development, manufacture, marketing, provision and performance of certain VPG products that do not compete with any products within Vishay’s product range as constituted immediately following the separation and certain services provided in connection with the products. The license cannot be terminated except as a result of willful misconduct or liquidation bankruptcy of VPG. Due to the common board members, transition services agreement, lease and supply agreements, and trademark license agreements with VPG, which, in the aggregate, represent significant continuing involvement, Vishay did not restate prior periods to present VPG as a discontinued operation. Prepayment of KEMET Loan Receivable In conjunction with the acquisition of the wet tantalum capacitor business of KEMET Corporation (“KEMET”) on September 15, 2008, Vishay issued a three-year term loan of $15,000 to KEMET. On May 5, 2010, KEMET prepaid the entire principal amount of the term loan plus interest, which is reflected on the accompanying consolidated statement of cash flows as a cash inflow from investing activities. Year Ended December 31, 2009 Settlement with International Rectifier Corporation On April 1, 2007, Vishay completed its acquisition of the Power Control Systems business (“PCS business”) of International Rectifier for approximately $285,600, net of cash acquired. The final purchase price was pending the resolution of a net working capital adjustment as of the date of acquisition. Vishay also had notified International Rectifier of certain other claims that it had regarding the sale of the PCS business to Vishay. In June 2009, Vishay and International Rectifier entered into a settlement agreement. Under the settlement, International Rectifier refunded $30,000 of the purchase price associated with the acquisition of the PCS business and Vishay released International Rectifier from claims relating to certain outstanding disputes regarding the acquisition. As all goodwill associated with the PCS business was written off as part of the goodwill impairment charges recorded in 2008, Vishay recorded a gain of $28,195 during the second fiscal quarter of 2009, equal to the amount received pursuant to the settlement agreement less certain related expenses. Year Ended December 31, 2008 Sale of Automotive Modules and Subsystems Business On April 7, 2008, Vishay sold the automotive modules and subsystems business unit (“ASBU”) to a private equity firm. ASBU was originally acquired by Vishay as part of the April 1, 2007 acquisition of International Rectifier’s PCS business. Vishay determined that ASBU would not satisfactorily complement Vishay’s operations. The Company recorded an after tax loss of $5,690 during the fourth fiscal quarter of 2008 subsequent to the resolution of a net working capital adjustment and the resolution of certain disputes with the buyer. Portions of this amount were paid during the years ended December 31, 2010 and 2009 and are reflected on the accompanying consolidated statement of cash flows as cash flows from discontinued operations. Subsequent Event Acquisition of HiRel Systems LLC On January 13, 2012, Vishay acquired HiRel Systems LLC, a leading supplier of high reliability transformers, inductors, coils, and power conversion products, for approximately $85,000, including repayment of debt, and subject to customary post-closing adjustments. The products and technology portfolio acquired will further enhance the Company’s inductors portfolio, particularly in the field of custom magnetics for medical, military, aerospace and aviation, and applications in the industrial and commercial field such as renewable energy and test and measurement equipment. For financial reporting purposes, the business will be included in the Resistors & Inductors segment beginning in the first fiscal quarter of 2012.

Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2011

Goodwill and Other Intangible Assets [Abstract]

Goodwill and Other Intangible Assets

Note 3 – Goodwill and Other Intangible Assets

Goodwill represents the excess of the cost of a business acquired over the fair value of the related net assets at the date of acquisition. Goodwill is not amortized but rather tested for impairment at least annually. The required annual impairment test of goodwill is completed as of the first day of the fourth fiscal quarter of each year. These impairment tests must be performed more frequently whenever events or changes in circumstances indicate that the asset might be impaired. The Company’s business segments (see Note 15) represent its reporting units for goodwill impairment testing purposes.

Vishay recorded goodwill impairment charges aggregating $1,696,174 in the year ended December 31, 2008. Subsequent to the goodwill impairment charges recorded in 2008, there was no remaining goodwill recorded on the consolidated balance sheet until the acquisition of the resistor businesses of Huntington Electric on September 28, 2011. After allocating the purchase price to the assets acquired and liabilities assumed based on their fair values at the date of acquisition, the Company recorded goodwill of $9,051 related to this acquisition. All of the goodwill related to this acquisition was allocated to the Resistors & Inductors business segment.

Other intangible assets are as follows:


	December 31,
	2011			2010

Intangible Assets Subject to Amortization
(Definite-lived):
Patents and acquired technology	$	111,428		$	111,637
Capitalized software		53,721			51,087
Customer relationships		57,723			52,863
Tradenames		36,762			36,375
Non-competition agreements		1,000			-
		260,634			251,962
Accumulated amortization:
Patents and acquired technology		(89,379	)		(83,493	)
Capitalized software		(47,836	)		(43,583	)
Customer relationships		(26,174	)		(21,081	)
Tradenames		(13,615	)		(10,334	)
Non-competition agreements		(62	)		-
		(177,066	)		(158,491	)
Net Intangible Assets Subject to Amortization		83,568			93,471

Intangible Assets Not Subject to Amortization
(Indefinite-lived):
Tradenames		20,359			20,359
	$	103,927		$	113,830

Net intangible assets of $15,371 were transferred to VPG on July 6, 2010. Amortization expense (excluding capitalized software) was $14,684, $19,817, and $22,731, for the years ended December 31, 2011, 2010, and 2009, respectively. VPG accounted for $1,466 and $3,019 of amortization expense for the years ended December 31, 2010 and 2009, respectively.

Estimated annual amortization expense of intangible assets on the balance sheet at December 31, 2011 for each of the next five years is as follows:

2012	$12,595
2013	12,492
2014	12,492
2015	12,492
2016	10,765

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Restructuring and Severance Costs and Related Asset Write-Downs	12 Months Ended
	Dec. 31, 2011
Restructuring and Severance Costs and Related Asset Write-Downs [Abstract]
Restructuring and Severance Costs and Related Asset Write-Downs	Note 4 – Restructuring and Severance Costs and Related Asset Write-Downs Restructuring and severance costs reflect the cost reduction programs implemented by the Company. These include the closing of facilities and the termination of employees. Restructuring and severance costs include one-time exit costs, severance benefits pursuant to an on-going benefit arrangement, and related pension curtailment and settlement charges. Severance costs also include executive severance and charges for the fair value of stock options of certain former employees which were modified such that they did not expire at termination. Restructuring costs are expensed during the period in which the Company determines it will incur those costs and all requirements of accrual are met. Because these costs are recorded based upon estimates, actual expenditures for the restructuring activities may differ from the initially recorded costs. If the initial estimates are too low or too high, the Company could be required either to record additional expenses in future periods or to reverse part of the previously recorded charges. Asset write-downs are principally related to buildings and equipment that will not be used subsequent to the completion of restructuring plans, and cannot be sold for amounts in excess of carrying value. Years ended December 31, 2011 and 2010 The Company did not initiate any new restructuring projects in the years ended December 31, 2011 and 2010 and thus did not record any restructuring and severance costs expenses in the years. Year ended December 31, 2009 The Company recorded restructuring and severance costs of $37,874 for the year ended December 31, 2009. Employee termination costs were $33,142, covering 2,571 technical, production, administrative, and support employees located in nearly every country in which the Company operates. Severance costs include net pension settlement charges and credits for employees in the Republic of China (Taiwan) and the Philippines. The Company also incurred $4,732 of other exit costs, principally lease termination costs related to facility closures and $681 of asset write-downs during the year ended December 31, 2009. The restructuring and severance costs were incurred primarily in response to the declining business conditions experienced in the second half of 2008 and recessionary trends which continued into 2009. Substantially all amounts related to programs initiated in 2009 have been paid as of December 31, 2011.

- Definition

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

+ References + Details

Income Taxes

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Income Taxes

Income (loss) from continuing operations before taxes and noncontrolling interests consists of the following components:

	Years ended December 31,
	2011		2010		2009

Domestic	$	2,143	$	32,493	$	(54,041	)
Foreign		328,973		373,040		14,326
	$	331,116	$	405,533	$	(39,715	)

Significant components of income taxes are as follows:

	Years ended December 31,
	2011			2010			2009

Current:
Federal	$	10,968		$	9,823		$	817
State and local		(801	)		2,434			505
Foreign		66,844			59,459			28,435
		77,011			71,716			29,757
Deferred:
Federal		6,188			(949	)		(6,332	)
State and local		(2,286	)		2,108			286
Foreign		10,206			(27,635	)		(6,911	)
		14,108			(26,476	)		(12,957	)
Total income tax expense	$	91,119		$	45,240		$	16,800

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts for income tax purposes. Significant components of the Company’s deferred tax assets and liabilities are as follows:

	December 31,
	2011			2010
Deferred tax assets:
Pension and other retiree obligations	$	48,810		$	44,054
Inventories		10,711			11,346
Net operating loss carryforwards		106,621			158,264
Tax credit carryforwards		11,225			11,871
Other accruals and reserves		40,494			53,369
Total gross deferred tax assets		217,861			278,904
Less valuation allowance		(102,863	)		(145,201	)
		114,998			133,703
Deferred tax liabilities:
Tax over book depreciation		(16,208	)		(20,425	)
Earnings not permanently reinvested		(25,960	)		(39,074	)
Convertible debentures		(105,830	)		(64,440	)
Other - net		(2,515	)		(2,572	)
Total gross deferred tax liabilities		(150,513	)		(126,511	)

Net deferred tax assets (liabilities)	$	(35,515	)	$	7,192

The Company makes significant judgments regarding the realizability of its deferred tax assets (principally net operating losses). The carrying value of deferred tax assets is based on the Company’s assessment that it is more likely than not that the Company will realize these assets after consideration of all available positive and negative evidence.

A reconciliation of income tax expense at the U.S. federal statutory income tax rate to actual income tax provision is as follows:

	Years ended December 31,
	2011			2010			2009
Tax at statutory rate	$	115,891		$	141,937		$	(13,900	)
State income taxes, net of U.S. federal tax benefit		(2,005	)		2,952			513
Effect of foreign operations		(52,609	)		(69,034	)		14,731
Unrecognized tax benefits		4,869			(1,823	)		1,395
Change in valuation allowance on U.S. deferred tax asset		-			(36,229	)		-
Change in valuation allowance on non-U.S. deferred tax assets		(5,554	)		(21,671	)		715
Tax benefit of operating loss carryforwards		(1,588	)		(8,799	)		(2,158	)
Foreign income taxable in the U.S.		22,822			31,294			976
Tax on foreign dividends paid to the U.S.		15,453			1,417			-
U.S. foreign tax credits		(12,322	)		-			-
Effect of statutory rate changes on deferred tax assets		9,040			1,128			1,995
Settlement agreement gain		-			-			(9,868	)
Non-deductible expenses related to VPG spin-off		-			1,945			1,265
Executive employment agreement charges		173			222			20,238
Other		(3,051	)		1,901			898
Total income tax expense	$	91,119		$	45,240		$	16,800

At December 31, 2011, the Company had the following significant net operating loss carryforwards for tax purposes:

		Expires
Austria	$7,876	No expiration
Belgium	184,610	No expiration
Brazil	19,674	No expiration
Germany	46,098	No expiration
Israel	128,425	No expiration
Netherlands	42,791	2012 - 2019

Approximately $69,144 of the carryforwards in Belgium resulted from the Company’s acquisition of BCcomponents in 2002. Valuation allowances of $23,502 and $44,790, as of December 31, 2011 and 2010, respectively, have been recorded through goodwill for these acquired net operating losses. Prior to the adoption of updated guidance in ASC Topic 805 on January 1, 2009, if tax benefits were recognized through the utilization of these acquired net operating losses, the benefits of such loss utilization were recorded as a reduction to goodwill. After the adoption of the updated guidance on January 1, 2009, the benefits of such losses are recorded as a reduction of tax expense. In 2011, 2010, and 2009, the tax benefit recognized through a reduction of acquisition-date valuation allowances recorded as a reduction of tax expense was $4,299, $567, and $980, respectively. The reduction in valuation allowances include pre-acquisition allowances for losses in Austria and Netherlands. As of December 31, 2011, pre-acquisition net operating losses in Netherlands expired, reducing the valuation allowances by $16,495.

At December 31, 2011, the Company had the following significant tax credit carryforwards available:

		Expires
U.S. alternative minimum tax	$4,696	No expiration
U.S. foreign tax credit	1,198	2020
California research credit	6,834	No expiration

At December 31, 2011, no provision has been made for U.S. federal and state income taxes on approximately $2,493,797 of foreign earnings, which the Company continues to expect to be reinvested outside of the United States indefinitely. Upon distribution of those earnings in the form of dividends or otherwise, the Company would be subject to U.S. income taxes (subject to an adjustment for foreign tax credits), state income taxes, incremental foreign income taxes, and withholding taxes payable to the various foreign countries. Determination of the amount of unrecognized deferred U.S. income tax liability is not practicable because of the complexities associated with its hypothetical calculation.

As of December 31, 2008, the Company recorded additional tax expense for an expected repatriation of $112,500 because such earnings are not deemed to be indefinitely reinvested outside of the United States. As of December 31, 2011, the remaining balance of these not permanently reinvested earnings is $72,110. At the present time, the Company expects that the remaining cash and profits generated by foreign subsidiaries will continue to be reinvested indefinitely.

Net income taxes paid (refunded) were $126,918, $23,322, and ($4,714) for the years ended December 31, 2011, 2010, and 2009, respectively.

The Company and its subsidiaries are subject to income taxes in the U.S. and numerous foreign jurisdictions. Significant judgment is required in evaluating the Company’s tax positions and determining its provision for income taxes. During the ordinary course of business, there are many transactions and calculations for which the ultimate tax determination is uncertain. The Company establishes reserves for tax-related uncertainties based on estimates of whether, and the extent to which, additional taxes will be due. These reserves are established when the Company believes that certain positions might be challenged despite the Company’s belief that its tax return positions are fully supportable. The Company adjusts these reserves in light of changing facts and circumstances and the provision for income taxes includes the impact of reserve provisions and changes to reserves that are considered appropriate.

These accruals for tax-related uncertainties are based on management’s best estimate of potential tax exposures. When particular matters arise, a number of years may elapse before such matters are audited by tax authorities and finally resolved. Favorable resolution of such matters could be recognized as a reduction to the Company’s effective tax rate in the year of resolution. Unfavorable resolution of any particular issue could increase the effective tax rate and may require the use of cash in the year of resolution.

Until the spin-off of VPG on July 6, 2010, VPG was included in the Company’s consolidated federal income tax returns and will be included with the Company and/or certain of the Company’s subsidiaries in applicable combined or unitary state and local income tax returns. In conjunction with the spin-off, the Company and VPG entered a tax matters agreement under which the Company generally will be liable for all U.S. federal, state, local, and foreign income taxes attributable to VPG with respect to taxable periods ending on or before the distribution date except to the extent that VPG has a liability for such taxes on its books at the time of the spin-off. The Company is also principally responsible for managing any income tax audits by the various tax jurisdictions for pre-spin-off periods. The Company has fully indemnified VPG of tax exposures arising prior to the spin-off.

The Company recognizes interest and penalties related to unrecognized tax benefits in income tax expense. At December 31, 2011 and 2010, the Company had accrued interest and penalties related to the unrecognized tax benefits of $5,764 and $2,962, respectively. During the years ended December 31, 2011, 2010, and 2009, the Company recognized $3,795, $1,081, and $1,139, respectively, in interest and penalties.

The following table summarizes changes in the liabilities associated with unrecognized tax benefits:

	Years ended December 31,
	2011			2010			2009

Balance at beginning of year	$	54,285		$	54,463		$	47,778
Addition based on tax positions related to the current year		2,459			1,916			2,491
Addition based on tax positions related to prior years		10,918			3,090			4,684
Currency translation adjustments		(922	)		451			417
Reduction based on tax positions related to prior years		(3,293	)		(670	)		-
Reduction for settlements		(9,604	)		(3,289	)		(737	)
Reduction for lapses of statute of limitation		(35	)		(1,676	)		(170	)
Balance at end of year	$	53,808		$	54,285		$	54,463

The amount of unrecognized tax benefits as of December 31, 2011 that if recognized would affect the effective tax rate is $53,808. The Company expects that the unrecognized tax benefits will decrease in the next year by $6,262 due to the settlement of tax audits, principally in Germany.

The Company and its subsidiaries file U.S. federal income tax returns, as well as income tax returns in multiple U.S. state and foreign jurisdictions. The U.S. Internal Revenue Service concluded its examinations of Vishay’s U.S. federal tax returns for all tax years through 2002. Because of net operating losses, which were fully utilized on the 2010 tax return, the Company’s U.S. federal tax returns for 2003 and later years remain subject to examination. Examinations of most principal subsidiaries in Israel through the 2007 tax year were concluded in 2010, and the Company has been notified that an audit of the 2008 through 2010 tax years will commence in early 2012. The tax returns of significant non-U.S. subsidiaries are currently under examination in Germany (2005 through 2008), India (2004 through 2009), China (2006), and the Republic of China (Taiwan) (2006 through 2010). The Company and its subsidiaries are also subject to income taxes in other taxing jurisdictions in the U.S. and around the world, many of which are still open to examinations.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 136, 172
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43, 44, 45, 46, 47, 48, 49
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

+ Details

Long-Term Debt

12 Months Ended

Dec. 31, 2011

Long-Term Debt [Abstract]

Long-Term Debt

Note 6 – Long-Term Debt

Long-term debt consists of the following:

	December 31, 2011		December 31, 2010

Credit facility	$	155,000	$	240,000
Exchangeable unsecured notes, due 2102		95,042		95,042
Convertible senior debentures, due 2040		98,463		96,640
Convertible senior debentures, due 2041		50,549		-
		399,054		431,682
Less current portion		-		-
	$	399,054	$	431,682

Credit Facility

The Company maintains a credit facility with a consortium of banks led by JPMorgan as administrative agent (the “Credit Facility”). On December 1, 2010, Vishay borrowed $240,000 under the Credit Facility to repay all of the outstanding amounts under its previously existing revolving credit facility with a consortium of banks led by Comerica Bank that was scheduled to expire on April 20, 2012. The Company repaid $85,000 of the outstanding balance of the Credit Facility in year ended December 31, 2011.

The Credit Facility provides a commitment of up to $450,000 through December 1, 2015. The Credit Facility also provides for the ability of Vishay to request up to $100,000 of incremental revolving commitments, subject to the satisfaction of certain conditions. Borrowings under the Credit Facility bear interest at LIBOR plus an interest margin. The applicable interest margin is based on Vishay’s then current leverage ratio. Based on the Company’s current leverage ratio, borrowings bear interest at LIBOR plus 1.65%. The interest rate on the Company’s borrowings will increase if the Company’s leverage ratio increases to 1.50 to 1. Vishay is also required to pay facility commitment fees of 0.35% per annum on the entire commitment amount.

The borrowings under the Credit Facility are secured by a lien on substantially all assets located in the United States, including accounts receivable, inventory, machinery and equipment, and general intangibles (but excluding real estate, intellectual property registered or licensed for use in, or arising under the laws of, any country other than the United States, and bank and securities accounts) of Vishay and certain significant domestic subsidiaries, and pledges of stock in certain significant domestic and foreign subsidiaries and are guaranteed by certain significant subsidiaries. Certain of the Company’s subsidiaries are permitted to borrow under the Credit Facility, subject to the satisfaction of specified conditions. Any borrowings by these subsidiaries under the Credit Facility are guaranteed by Vishay. The Credit Facility also restricts the Company from, among other things, incurring indebtedness, incurring liens on its assets, making investments and acquisitions, making asset sales, and paying cash dividends and making other restricted payments, and requires the Company to comply with other covenants, including the maintenance of specific financial ratios.

On September 8, 2011, Vishay entered into an amendment to the Credit Facility. The amendment effectively permits up to $300,000 of additional share repurchases, conditioned upon Vishay maintaining (i) a pro forma leverage ratio of 2.75 to 1.00, (ii) a pro forma interest expense coverage ratio of 2.00 to 1.00, and (iii) $400,000 of available liquidity, as defined in the amendment. The amount and timing of any future stock repurchases remains subject to authorization of Vishay’s Board of Directors. Other significant terms and conditions of the Credit Facility have not changed.

The Credit Facility also contains customary events of default, including, but not limited to, failure to pay principal or interest, failure to pay or default under other material debt, misrepresentation or breach of warranty, violation of certain covenants, a change of control, the commencement of bankruptcy proceedings, the insolvency of Vishay or certain of its significant subsidiaries, and the rendering of a judgment in excess of $25,000 against Vishay or certain of its significant subsidiaries. Upon the occurrence of an event of default under the Credit Facility, Vishay’s obligations under the credit facility may be accelerated and the lending commitments under the credit facility terminated.

At December 31, 2011 and 2010, there was $286,995 and $210,000, respectively, available under the Credit Facility. Letters of credit totaling $8,005 were outstanding at December 31, 2011.

Convertible Senior Debentures, due 2041

On May 13, 2011, Vishay issued $150,000 principal amount of 2.25% convertible senior debentures due 2041 to qualified institutional investors. Vishay used the net proceeds from this offering, together with cash on hand, to repurchase 8,620,689 shares of common stock for an aggregate purchase price of $150,000.

GAAP requires an issuer to separately account for the liability and equity components of the instrument in a manner that reflects the issuer’s nonconvertible debt borrowing rate when interest costs are recognized in subsequent periods. The resulting discount on the debt is amortized as non-cash interest expense in future periods.

The carrying values of the liability and equity components of the convertible debentures due 2041 are reflected in the Company’s consolidated balance sheet as follows:

	December 31, 2011
Liability component:
Principal amount of the debentures	$	150,000
Unamortized discount		(99,843	)
Embedded derivative		392
Carrying value of liability component	$	50,549

Equity component - net carrying value	$	62,246

Interest is payable on the debentures semi-annually at a rate of 2.25% per annum; however, the remaining debt discount is being amortized as additional non-cash interest expense using an effective annual interest rate of 8.375% based on the Company’s estimated nonconvertible debt borrowing rate at the time of issuance. In addition to ordinary interest, beginning on May 15, 2021, contingent interest will accrue in certain circumstances relating to the trading price of the debentures and under certain other circumstances.

Interest expense related to the convertible debentures due 2041 is reflected on the consolidated statements of operations as follows:

	Year ended
	December 31, 2011
Contractual coupon interest	$	2,128
Non-cash amortization of debt discount		498
Non-cash amortization of deferred financing costs		29
Non-cash change in value of derivative liability		181
Total interest expense related to the debentures	$	2,836

Prior to February 15, 2041, the holders may only convert their debentures under the following circumstances: (1) during any fiscal quarter commencing after the fiscal quarter ending October 1, 2011 if the sale price of Vishay common stock reaches 130% of the conversion price (currently, $24.73) for a specified period; (2) the trading price of the debentures falls below 98% of the product of the sale price of Vishay’s common stock and the conversion rate for a specified period; (3) Vishay calls any or all of the debentures for redemption, at any time prior to the close of business on the third scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. None of these conditions had occurred as of December 31, 2011.

The debentures are initially convertible, subject to certain conditions, into cash, shares of Vishay’s common stock or a combination thereof, at Vishay’s option, at an initial conversion rate of 52.5659 shares of common stock per $1,000 principal amount of debentures. This represents an initial effective conversion price of approximately $19.02 per share. This initial conversion price represents a premium of 12.5% to the closing price of Vishay’s common stock on the date the offering commenced, which was $16.91 per share. At the direction of its Board of Directors, Vishay intends, upon conversion, to repay the principal amount of the debentures in cash and settle any additional amounts in shares. Vishay must provide additional shares upon conversion if there is a “fundamental change” in the business as defined in the indenture governing the debentures.

Vishay may not redeem the debentures prior to May 20, 2021, except in connection with certain tax-related events. On or after May 20, 2021 and prior to the maturity date, Vishay may redeem for cash all or part of the debentures at a redemption price equal to 100% of the principal amount of the debentures to be redeemed, plus accrued and unpaid interest to, but excluding, the redemption date, if the last reported sale price of Vishay’s common stock has been at least 150% of the conversion price then in effect for at least 20 trading days during any 30 consecutive trading day period prior to the date on which Vishay provides notice of redemption.

Convertible Senior Debentures, due 2040

On November 9, 2010, Vishay issued $275,000 principal amount of 2.25% convertible senior debentures due 2040 to qualified institutional investors. Vishay used the net proceeds from this offering, together with net borrowings under its credit facility and cash on hand, to repurchase 21,721,959 shares of common stock for an aggregate purchase price of $275,000.

GAAP requires an issuer to separately account for the liability and equity components of a convertible debt instrument in a manner that reflects the issuer’s nonconvertible debt borrowing rate when interest costs are recognized in subsequent periods. The resulting discount on the debt is amortized as non-cash interest expense in future periods.

The carrying values of the liability and equity components of the convertible debentures due 2040 are reflected in the Company’s consolidated balance sheets as follows:

	December 31, 2011			December 31, 2010
Liability component:
Principal amount of the debentures	$	275,000		$	275,000
Unamortized discount		(177,131	)		(178,679	)
Embedded derivative		594			319
Carrying value of liability component	$	98,463		$	96,640

Equity component - net carrying value	$	110,094		$	110,094

Interest is payable on the debentures semi-annually at a rate of 2.25% per annum; however, the remaining debt discount is being amortized as additional non-cash interest expense using an effective annual interest rate of 8.00% based on the Company’s estimated nonconvertible debt borrowing rate at the time of issuance. In addition to ordinary interest, beginning on November 15, 2020, contingent interest will accrue in certain circumstances relating to the trading price of the debentures and under certain other circumstances.

Interest expense related to the convertible debentures due 2040 is reflected on the consolidated statements of operations as follows:

	Years ended December 31,
	2011		2010
Contractual coupon interest	$	6,188	$	773
Non-cash amortization of debt discount		1,548		188
Non-cash amortization of deferred financing costs		88		11
Non-cash change in value of derivative liability		275		(55	)
Total interest expense related to the debentures	$	8,099	$	917

Prior to April 15, 2040, the holders may only convert their debentures under the following circumstances: (1) during any fiscal quarter commencing after the fiscal quarter ending April 2, 2011 if the sale price of Vishay common stock reaches 130% of the conversion price (currently, $18.04) for a specified period; (2) the trading price of the debentures falls below 98% of the product of the sale price of Vishay’s common stock and the conversion rate for a specified period; (3) Vishay calls any or all of the debentures for redemption, at any time prior to the close of business on the third scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. None of these conditions had occurred as of December 31, 2011.

The debentures are initially convertible, subject to certain conditions, into cash, shares of Vishay’s common stock or a combination thereof, at Vishay’s option, at an initial conversion rate of 72.0331 shares of common stock per $1,000 principal amount of debentures. This represents an initial effective conversion price of approximately $13.88 per share. This initial conversion price represents a premium of 12.5% to the closing price of Vishay’s common stock on November 3, which was $12.34 per share. At the direction of its Board of Directors, Vishay intends, upon conversion, to repay the principal amount of the debentures in cash and settle any additional amounts in shares. Vishay must provide additional shares upon conversion if there is a “fundamental change” in the business as defined in the indenture governing the debentures.

Vishay may not redeem the debentures prior to November 20, 2020, except in connection with certain tax-related events. On or after November 20, 2020 and prior to the maturity date, Vishay may redeem for cash all or part of the debentures at a redemption price equal to 100% of the principal amount of the debentures to be redeemed, plus accrued and unpaid interest to, but excluding, the redemption date, if the last reported sale price of Vishay’s common stock has been at least 150% of the conversion price then in effect for at least 20 trading days during any 30 consecutive trading day period prior to the date on which Vishay provides notice of redemption.

Exchangeable Unsecured Notes, due 2102

On December 13, 2002, Vishay issued $105,000 in nominal (or principal) amount of its floating rate unsecured exchangeable notes due 2102 in connection with an acquisition. The notes are governed by a note instrument and a put and call agreement dated December 13, 2002. The notes may be put to Vishay in exchange for shares of its common stock and, under certain circumstances, may be called by Vishay for similar consideration.

Under the terms of the put and call agreement, by reason of the spin-off, Vishay was required to take action so that the existing notes are deemed exchanged as of the date of the spin-off, for a combination of new notes of Vishay reflecting a lower principal amount of the notes and new notes issued by VPG.

Based on the relative trading prices of Vishay and VPG common stock on the ten trading days following the spin-off, Vishay retained the liability for an aggregate $95,042 principal amount of exchangeable notes effective July 6, 2010. The assumption of a portion of the liability by VPG was recorded as a reduction in parent net investment just prior to the completion of the spin-off.

The notes are subject to a put and call agreement under which the holders may at any time put the notes to Vishay in exchange for 6,176,471 shares of Vishay’s common stock in the aggregate, and Vishay may call the notes in exchange for cash or for shares of its common stock at any time after January 2, 2018. The put/call rate of the Vishay notes is $15.39 per share of common stock.

The notes bear interest at LIBOR. Interest continues to be payable quarterly on March 31, June 30, September 30, and December 31 of each calendar year. The interest rate could be further reduced to 50% of LIBOR if the price of Vishay’s common stock is above $40.73 per share for thirty or more consecutive trading days.

Convertible Subordinated Notes, due 2023

In 2003, Vishay sold $500,000 aggregate principal amount of 3-5/8% convertible subordinated notes due 2023. Holders of substantially all (99.6%) of the 3-5/8% notes exercised their option to require Vishay to repurchase their notes on August 1, 2008. The remaining notes, with an aggregate principal amount of $1,870, were redeemed at Vishay’s option on August 1, 2010.

Other Borrowings Information

Aggregate annual maturities of long-term debt, based on the terms stated in the respective agreements, are as follows:

2011	$	-
2012		-
2013		-
2014		-
2015		155,000
Thereafter		520,042

The annual maturities of long-term debt are based on the amount required to settle the obligation. Accordingly, the discounts associated with the convertible debentures due 2040 and due 2041 are excluded from the calculation of the annual maturities of long-term debt in the table above.

In 2010, the Company repaid a $13,500 Israeli bank loan and the balance of a $90,000 term loan under a previous credit facility.

In 2009, the Company paid $25,000 of scheduled principal payments on the term loan.

At December 31, 2011, the Company had committed and uncommitted short-term credit lines with various U.S. and foreign banks aggregating approximately $15,500, which was substantially unused. At December 31, 2010, the Company had committed and uncommitted short-term credit lines with various U.S. and foreign banks aggregating approximately $33,300, which was substantially unused.

At December 31, 2010, the Company had letters of credit outstanding totaling approximately $8,200. These letters of credit were replaced in 2011 by letters of credit issued under the Credit Facility.

Interest paid was $14,084, $9,120, and $10,243 for the years ended December 31, 2011, 2010, and 2009, respectively.

See Note 18 for further discussion on the fair value of the Company’s long-term debt.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References + Details

Stockholders' Equity

12 Months Ended

Dec. 31, 2011

Stockholders' Equity [Abstract]

Stockholders' Equity

Note 7 – Stockholders’ Equity

The Company’s Class B common stock carries ten votes per share while the common stock carries one vote per share. Class B shares are transferable only to certain permitted transferees while the common stock is freely transferable. Class B shares are convertible on a one-for-one basis at any time into shares of common stock. Transfers of Class B shares other than to permitted transferees result in the automatic conversion of the Class B shares into common stock.

The Board of Directors may only declare dividends or other distributions with respect to the common stock or the Class B common stock if it grants such dividends or distributions in the same amount per share with respect to the other class of stock. The Company’s revolving credit facility currently prohibits the payment of cash dividends (see Note 6). Stock dividends or distributions on any class of stock are payable only in shares of stock of that class. Shares of either common stock or Class B common stock cannot be split, divided, or combined unless the other is also split, divided, or combined equally.

On May 13, 2011, the Company repurchased 8,620,689 shares of common stock for an aggregate purchase price of $150,000. The Company repurchased 21,721,959 shares of its common stock on November 9, 2010 for $275,000. On September 8, 2011, the Company entered into an amendment to the Credit Facility that effectively permits up to $300,000 of additional share repurchases, conditioned upon the Company maintaining specific pro forma financial ratios and a required minimum amount of available liquidity, as defined in the amendment. The amount and timing of any future stock repurchases remains subject to authorization of the Company’s Board of Directors.

The Company issued 8,823,529 warrants to acquire shares of Vishay common stock as part of the purchase price for the 2002 acquisition of BCcomponents. As a consequence of the spin-off of VPG on July 6, 2010, the exercise price of the warrants was reduced 9.48% to reflect the loss of value to the warrant holder due to the decrease in the trading price of Vishay’s common stock as a result of the spin-off. Of these warrants, 7,000,000 have an exercise price of $18.10 per share, and 1,823,529 have an exercise price of $27.43 per share. These warrants expire in December 2012.

At December 31, 2011, the Company had reserved shares of common stock for future issuance as follows:

Common stock options outstanding			384,000
Restricted stock units outstanding			891,000
2007 Stock Incentive Program - available to grant			1,534,000
Phantom stock units outstanding			87,000
Phantom stock units available to grant			95,000
Common stock warrants			8,823,529
Exchangeable unsecured notes, due 2102			6,176,471
Convertible senior debentures, due 2040*			22,285,258
Convertible senior debentures, due 2041*			8,870,490
Conversion of Class B common stock			13,452,549
			62,599,297

___________________

*The convertible senior debentures due 2040 and due 2041 are convertible into 19,809,103 and 7,884,885 shares, respectively, of Vishay common stock. The Company has reserved the maximum amount of shares to be delivered upon a make-whole fundamental change as defined in the indentures governing the debentures.

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 4
-Section 08
-Paragraph d

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 1
-Section B
-Paragraph 7, 11A
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 3, 4, 5, 6, 7, 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Article 4

Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30, 31
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

Reference 10: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section C

Reference 11: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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Reference 15: http://www.xbrl.org/2003/role/presentationRef
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Reference 16: http://www.xbrl.org/2003/role/presentationRef
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Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 18: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-Paragraph 6
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Reference 19: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656

Reference 20: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 21: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 22: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
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Reference 23: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187143-122770

+ Details

Other Income (Expense)

12 Months Ended

Dec. 31, 2011

Other Income (Expense) [Abstract]

Other Income (Expense)

Note 8 – Other Income (Expense)

The caption “Other” on the consolidated statements of operations consists of the following:

	Years ended December 31,
	2011			2010			2009

Foreign exchange gain (loss)	$	(8,249	)	$	(2,792	)	$	5,039
Interest income		10,386			2,888			3,917
Loss on early extinguishment of debt		-			(1,659	)		-
Sale of investments		1,396			-			-
Other		259			194			835
	$	3,792		$	(1,369	)	$	9,791

In the year ended December 31, 2011, the Company sold ancillary investments in the equity of two companies located outside of the U.S. for a total gain of $1,396. The increase in interest income in 2011 is primarily due to the interest earned on the short-term investments purchased in 2011. In the year ended December 31, 2010, the Company recorded a $1,659 loss on the early extinguishment of debt equal to the balance of unamortized deferred financing costs associated with a revolving credit commitment and term loan at the date of termination.

Other Accrued Expenses

12 Months Ended

Dec. 31, 2011

Other Accrued Expenses (Tables) [Abstract]

Other Accrued Expenses

Note 9 – Other Accrued Expenses

Other accrued expenses consist of the following:

	December 31,
	2011		2010

Restructuring	$	1,940	$	4,731
Sales returns and allowances		36,943		38,761
Goods received, not yet invoiced		37,573		44,405
Other		84,663		98,152
	$	161,119	$	186,049

Other Comprehensive Income (Loss)

12 Months Ended

Dec. 31, 2011

Accumulated Other Comprehensive Income (Loss) [Abstract]

Other Comprehensive Income (Loss)

Note 10 – Accumulated Other Comprehensive Income (Loss)

The cumulative balance of each component of other comprehensive income (loss) and the income tax effects allocated to each component are as follows:

	Beginning Balance			Before-Tax Amount			Tax Effect			Net-of-Tax Amount			VPG Spin-off		Ending Balance

December 31, 2009
Pension and other post-retirement actuarial items	$	(122,182	)	$	6,231		$	(832	)	$	5,399		$	-	$	(116,783	)
Reclassification adjustment for recognition of actuarial items					10,831			42			10,873			-		10,873
Currency translation adjustment		198,261			10,080			-			10,080			-		208,341
Unrealized gain (loss) on available-for-sale securities		(110	)		1,006			(352	)		654			-		544
	$	75,969		$	28,148		$	(1,142	)	$	27,006		$	-	$	102,975

December 31, 2010
Pension and other post-retirement actuarial items	$	(105,910	)	$	(30,213	)	$	4,494		$	(25,719	)	$	1,079	$	(130,550	)
Reclassification adjustment for recognition of actuarial items					10,498			62			10,560			-		10,560
Currency translation adjustment		208,341			(41,930	)		-			(41,930	)		12,924		179,335
Unrealized gain (loss) on available-for-sale securities		544			927			(325	)		602			-		1,146
	$	102,975		$	(60,718	)	$	4,231		$	(56,487	)	$	14,003	$	60,491

December 31, 2011
Pension and other post-retirement actuarial items	$	(119,990	)	$	(54,053	)	$	16,975		$	(37,078	)	$	-	$	(157,068	)
Reclassification adjustment for recognition of actuarial items					12,192			(4,321	)		7,871			-		7,871
Currency translation adjustment		179,335			(26,441	)		-			(26,441	)		-		152,894
Unrealized gain (loss) on available-for-sale securities		1,146			(1,639	)		574			(1,065	)		-		81
	$	60,491		$	(69,941	)	$	13,228		$	(56,713	)	$	-	$	3,778

Other comprehensive income (loss) includes Vishay’s proportionate share of other comprehensive income (loss) of nonconsolidated subsidiaries accounted for under the equity method.

- Definition

The entire disclosure for comprehensive income. Includes, but is not limited to, the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 14-26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e637-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e681-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e653-108580

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e709-108580

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 55
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6920433&loc=d3e998-108581

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
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-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e640-108580

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reclassification Adjustments
-URI http://asc.fasb.org/extlink&oid=6522872

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e716-108580

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e689-108580

+ Details

Pensions and Other Postretirement Benefits

12 Months Ended

Dec. 31, 2011

Pensions and Other Postretirement Benefits [Abstract]

Pensions and Other Postretirement Benefits

Note 11 – Pensions and Other Postretirement Benefits

The Company maintains various retirement benefit plans. GAAP requires employers to recognize the funded status of a benefit plan, measured as the difference between plan assets at fair value and the benefit obligation, in its balance sheet. The recognition of the funded status on the balance sheet requires employers to recognize actuarial items (such as actuarial gains and losses, prior service costs, and transition obligations) as a component of other comprehensive income, net of tax.

The following table summarizes amounts recorded on the consolidated balance sheets associated with these various retirement benefit plans:

	December 31,
	2011			2010

Included in "Other Assets":
Non-U.S. pension plans	$	802		$	1,741
Total included in other assets	$	802		$	1,741
Accrued pension and other postretirement costs:
U.S. pension plans	$	(83,482	)	$	(65,090	)
Non-U.S. pension plans		(209,224	)		(201,150	)
U.S. other postretirement plans		(10,924	)		(10,633	)
Non-U.S. other postretirement plans		(5,972	)		(5,801	)
Other retirement obligations		(9,534	)		(8,443	)
Total accrued pension and other postretirement costs	$	(319,136	)	$	(291,117	)
Accumulated other comprehensive loss:
U.S. pension plans	$	135,009		$	108,239
Non-U.S. pension plans		41,494			28,454
U.S. other postretirement plans		(4,142	)		(5,516	)
Total accumulated other comprehensive loss*	$	172,361		$	131,177

* - Amounts included in accumulated other comprehensive loss are presented in this table pre-tax.

Defined Benefit Pension Plans

U.S. Pension Plans

The Company maintains several defined benefit pension plans which covered most full-time U.S. employees. These include pension plans which are “qualified” under Employee Retirement Security Act of 1974 (“ERISA”) and the Internal Revenue Code, and “non-qualified” pension plans which provide defined benefits primarily to U.S. employees whose benefits under the qualified pension plan would be limited by ERISA and the Internal Revenue Code. Pension benefits earned are generally based on years of service and compensation during active employment.

Qualified U.S. Pension Plans

The qualified U.S. pension plans include both contributory and non-contributory plans. The Company’s principal qualified U.S. pension plan (the Vishay Retirement Plan) was funded through Company and participant contributions to an irrevocable trust fund. The Company’s other qualified U.S. pension plans, which were assumed as a result of past acquisitions, were funded only through Company contributions.

During the fourth quarter of 2008, the Company adopted amendments to the Vishay Retirement Plan such that effective January 1, 2009, the plan was frozen. Pursuant to these amendments, no new employees may participate in the plan, no further participant contributions were required or permitted, and no further benefits shall accrue after December 31, 2008. Benefits accumulated as of December 31, 2008 will be paid to employees upon retirement, and the Company will likely need to make additional cash contributions to the plan to fund this accumulated benefit obligation. To mitigate the loss in benefits of these employees, effective January 1, 2009, the Company increased the Company-match portion of its 401(k) defined contribution savings plan for employees impacted by the pension freeze.

The Company’s other qualified U.S. pension plans had all been effectively frozen in prior years.

Non-qualified U.S. Pension Plans

The Company’s principal non-qualified U.S. pension plan (the Vishay Non-qualified Retirement Plan) was a contributory pension plan designed to provide similar defined benefits to covered U.S. employees whose benefits under the Vishay Retirement Plan would be limited by ERISA and the Internal Revenue Code. The Vishay Non-qualified Retirement Plan is identical in construction to the Vishay Retirement Plan, except that the plan is not qualified under ERISA.

The Vishay Non-qualified Retirement Plan, like all non-qualified plans, is considered to be unfunded. The Company maintains a non-qualified trust, referred to as a “rabbi” trust, to fund benefit payments under this plan. Rabbi trust assets are subject to creditor claims under certain conditions and are not the property of employees. Therefore, they are accounted for as other noncurrent assets. Assets held in trust related to the non-qualified pension plan were $14,423 and $14,922 at December 31, 2011 and 2010, respectively.

During the fourth quarter of 2008, the Company adopted amendments to the Vishay Non-Qualified Retirement Plan such that effective January 1, 2009, the plan was frozen. Pursuant to these amendments, no new employees may participate in the plans, no further participant contributions were required or permitted, and no further benefits shall accrue after December 31, 2008. Benefits accumulated as of December 31, 2008 will be paid to employees upon retirement, and the Company will likely need to make additional cash contributions to the rabbi trust to fund this accumulated benefit obligation. To mitigate the loss in benefits of these employees, effective January 1, 2009, the Company increased the Company-match portion of its 401(k) defined contribution savings plan for employees impacted by the pension freeze.

The Company also maintains other pension plans which provide supplemental defined benefits primarily to former U.S. employees whose benefits under qualified pension plans were limited by ERISA. These non-qualified plans are all non-contributory plans, and are considered to be unfunded.

In 2004, the Company entered into an employment agreement with Dr. Felix Zandman, its Executive Chairman and then-Chief Executive Officer. Pursuant to this agreement, the Company is providing an annual retirement benefit of approximately $614 to his surviving spouse. The Company maintains a non-qualified trust, referred to as a “rabbi” trust, to fund benefit payments under this plan. Rabbi trust assets are subject to creditor claims under certain conditions and are not the property of employees. Therefore, they are accounted for as other noncurrent assets. Assets held in trust related to this non-qualified pension plan were $5,445 at December 31, 2011. Prior to 2011, these pension benefits were unfunded.

On June 16, 2010, the Compensation Committee determined to modify Dr. Gerald Paul’s and the Compensation Committee recommended to the Board of Directors, and the Board of Directors determined to modify Mr. Marc Zandman’s employment arrangements such that upon any termination (other than for cause) after attaining age 62, the executive would be entitled to the same payments and benefits he would have received if his respective employment was terminated by Vishay without cause or by the respective executive for good reason. These modifications were included in formal amendments signed on August 8, 2010. The expense associated with the modifications to the employment arrangements of Dr. Gerald Paul and Mr. Marc Zandman effectively represents a defined retirement benefit that will be recognized over the remaining service period of the individuals.

Non-U.S. Pension Plans

The Company provides pension and similar benefits to employees of certain non-U.S. subsidiaries consistent with local practices. Pension benefits earned are generally based on years of service and compensation during active employment.

The following table sets forth a reconciliation of the benefit obligation, plan assets, and funded status related to U.S. and non-U.S. pension plans:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Change in benefit obligation:
Benefit obligation at beginning of year	$	303,613		$	231,870		$	289,430		$	231,416
Service cost		-			3,197			-			3,027
Interest cost		16,332			10,366			16,341			10,774
Plan amendments		-			531			8,777			163
Spin-off of VPG		-			-			(1,255	)		(13,882	)
Actuarial (gains) losses		20,320			14,986			7,379			20,899
Benefits paid		(17,738	)		(12,764	)		(17,059	)		(10,991	)
Currency translation		-			(4,220	)		-			(9,536	)
Benefit obligation at end of year	$	322,527		$	243,966		$	303,613		$	231,870

Change in plan assets:
Fair value of plan assets at beginning of year	$	238,523		$	32,461		$	216,641		$	34,762
Actual return on plan assets		1,117			830			26,116			2,376
Spin-off of VPG		-			-			-			(8,939	)
Company contributions		17,143			15,325			12,825			14,427
Benefits paid		(17,738	)		(12,763	)		(17,059	)		(10,991	)
Currency translation		-			(309	)		-			826
Fair value of plan assets at end of year	$	239,045		$	35,544		$	238,523		$	32,461

Funded status at end of year	$	(83,482	)	$	(208,422	)	$	(65,090	)	$	(199,409	)

The plan assets are stated at fair value. See Note 18 for further discussion of the valuation of the plan assets.

Amounts recognized in the consolidated balance sheet consist of the following:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Other assets	$	-		$	802		$	-		$	1,741
Accrued benefit liability		(83,482	)		(209,224	)		(65,090	)		(201,150	)
Accumulated other comprehensive loss		135,009			41,494			108,239			28,454
	$	51,527		$	(166,928	)	$	43,149		$	(170,955	)

Actuarial items consist of the following:

	December 31, 2011				December 31, 2010
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
Unrecognized net actuarial loss	$	130,608	$	41,494	$	101,236	$	28,454
Unamortized prior service cost		4,401		-		7,003		-
	$	135,009	$	41,494	$	108,239	$	28,454

The following table sets forth additional information regarding the projected and accumulated benefit obligations:

	December 31, 2011				December 31, 2010
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
Accumulated benefit obligation, all plans	$	322,527	$	225,381	$	303,613	$	213,893

Plans for which the accumulated benefit obligation exceeds plan assets:
Projected benefit obligation	$	322,527	$	236,323	$	303,613	$	225,291
Accumulated benefit obligation		322,527		221,637		303,613		210,786
Fair value of plan assets		239,045		27,098		238,523		24,178

The following table sets forth the components of net periodic pension cost:

	Years ended December 31,
	2011						2010						2009
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Service cost net of employee contributions	$	-		$	3,197		$	-		$	3,027		$	-		$	2,991
Interest cost		16,332			10,366			16,341			10,774			16,745			11,174
Expected return on plan assets		(19,082	)		(1,651	)		(18,098	)		(1,629	)		(14,955	)		(1,689	)
Amortization of actuarial losses		9,006			993			9,315			160			11,300			70
Amortization of prior service cost		2,361			531			1,477			163			34			94
Curtailment and settlement losses (gains)		148			-			-			-			-			405
Net periodic benefit cost	$	8,765		$	13,436		$	9,035		$	12,495		$	13,124		$	13,045

See Note 10 for the pretax, tax effect and after tax amounts included in other comprehensive income during the years ended December 31, 2011, 2010, and 2009. The estimated actuarial items for the defined benefit pensions plans that will be amortized from accumulated other comprehensive loss into net periodic pension cost during 2012 is $16,300.

The following weighted average assumptions were used to determine benefit obligations at December 31 of the respective years:

	2011						2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Discount rate		5.00	%		3.96	%		5.50	%		4.50	%
Rate of compensation increase		0.00	%		2.31	%		0.00	%		2.19	%

The following weighted average assumptions were used to determine the net periodic pension costs for the years ended December 31, 2011 and 2010:

	Years ended December 31,
	2011						2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Discount rate		5.50	%		4.50	%		5.75	%		5.19	%
Rate of compensation increase		0.00	%		2.19	%		0.00	%		2.34	%
Expected return on plan assets		8.00	%		4.26	%		8.50	%		4.89	%

The plans’ expected return on assets is based on management’s expectations of long-term average rates of return to be achieved by the underlying investment portfolios. In establishing this assumption, management considers historical and expected returns for the asset classes in which the plans are invested, advice from pension consultants and investment advisors, and current economic and capital market conditions.

The investment mix between equity securities and fixed income securities is based upon achieving a desired return, balancing higher return, more volatile equity securities, and lower return, less volatile fixed income securities. The Company’s U.S. defined benefit plans are invested in diversified portfolios of public-market equity and fixed income securities. Investment allocations are made across a range of markets, industry sectors, capitalization sizes, and, in the case of fixed income securities, maturities and credit quality. The target allocation has historically been approximately 60% invested in equity securities and 40% invested in fixed income securities. The Company’s non-U.S. defined benefit plan investments are based on local laws and customs. Most plans invest in cash and local government fixed income securities, although plans in certain countries have investments in equity securities. The plans do not invest in securities of Vishay or its subsidiaries. Negative investment returns could ultimately affect the funded status of the plans, requiring additional cash contributions.

Plan assets are comprised of:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Equity securities		61	%		19	%		63	%		24	%
Fixed income securities		39	%		29	%		36	%		26	%
Cash and cash equivalents		0	%		52	%		1	%		50	%
Total		100	%		100	%		100	%		100	%

Estimated future benefit payments are as follows:

	U.S. Plans	Non-U.S. Plans
	U.S. Plans	Non-U.S. Plans
2012	$18,121	$11,524
2013	18,592	12,984
2014	25,359	14,026
2015	20,737	12,950
2016	21,096	13,522
2017-2021	106,408	77,915

The Company anticipates making contributions to U.S. defined benefit pension plans of between $12,000 and $16,000 in 2012.

The Company’s anticipated 2012 contributions for non-U.S. defined benefit pension plans will approximate the expected benefit payments disclosed above.

Other Postretirement Benefits

In the U.S., the Company maintains two unfunded non-pension postretirement plans which are funded as costs are incurred. One of these plans was amended effective January 1, 2009, which reduced the benefit obligations of the Company. The Company also maintains two unfunded non-pension postretirement plans at two European subsidiaries.

In 2004, the Company entered into formal employment agreements with six of its executives. These employment agreements provide medical benefits for these executives and their surviving spouses for life, up to a stated maximum annual premium value per person. The Company subsequently entered into similar agreements with additional executives. These benefits are fully vested, and accordingly, the obligations represented prior service costs which will be amortized over the average remaining expected services period for these executives.

The following table sets forth a reconciliation of the benefit obligation, plan assets, and accrued benefit cost related to U.S. and non-U.S. non-pension defined benefit postretirement plans:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Change in benefit obligation:
Benefit obligation at beginning of year	$	10,633		$	5,801		$	13,617		$	5,841
Service cost		77			275			95			255
Interest cost		547			282			640			291
Spin-off of VPG		-			-			(2,493	)		-
Actuarial (gains) losses		675			341			(148	)		778
Benefits paid		(1,008	)		(618	)		(1,078	)		(854	)
Currency translation		-			(109	)		-			(510	)
Benefit obligation at end of year	$	10,924		$	5,972		$	10,633		$	5,801

Fair value of plan assets at end of year	$	-		$	-		$	-		$	-

Funded status at end of year	$	(10,924	)	$	(5,972	)	$	(10,633	)	$	(5,801	)

Amounts recognized in the consolidated balance sheet consist of the following:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Accrued benefit liability	$	(10,924	)	$	(5,972	)	$	(10,633	)	$	(5,801	)
Accumulated other comprehensive income		(4,142	)		-			(5,516	)		-
	$	(15,066	)	$	(5,972	)	$	(16,149	)	$	(5,801	)

Actuarial items consist of the following:

	December 31, 2011					December 31, 2010
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
Unrecognized net actuarial gain	$	(2,309	)	$	-	$	(3,299	)	$	-
Unamortized prior service (credit) cost		(1,865	)		-		(2,296	)		-
Unrecognized net transition obligation		32			-		79			-
	$	(4,142	)	$	-	$	(5,516	)	$	-

The following table sets forth the components of net periodic benefit cost:

	Years ended December 31,
	2011					2010					2009
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
Service cost	$	77		$	275	$	95		$	255	$	113		$	330
Interest cost		547			282		640			291		810			391
Amortization of actuarial gains		(315	)		-		(244	)		-		(300	)		-
Amortization of prior service credit		(431	)		-		(434	)		-		(441	)		-
Amortization of transition obligation		47			-		61			-		74			-
Net periodic benefit cost	$	(75	)	$	557	$	118		$	546	$	256		$	721

The estimated actuarial items for the other postretirement benefit plans that will be amortized from accumulated other comprehensive loss into net periodic benefit cost during 2012 are not material and approximate the amounts amortized in 2011.

The following weighted average assumptions were used to determine benefit obligations at December 31 of the respective years:

	2011						2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Discount rate		5.00	%		5.09	%		5.50	%		4.80	%
Rate of compensation increase		0.00	%		3.22	%		0.00	%		3.00	%

The following weighted average assumptions were used to determine the net periodic benefit costs for the years ended December 31, 2011 and 2010:

	Years ended December 31,
	2011						2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Discount rate		5.50	%		4.80	%		5.75	%		5.50	%
Rate of compensation increase		0.00	%		3.00	%		0.00	%		3.46	%

The impact of a one-percentage-point change in assumed health care cost trend rates on the net periodic benefit cost and postretirement benefit obligation is not material.

Estimated future benefit payments are as follows:

	U.S. Plans	Non-U.S. Plans
	U.S. Plans	Non-U.S. Plans
2012	$1,024	$581
2013	1,018	221
2014	1,010	331
2015	1,012	376
2016	1,000	509
2017-2021	4,369	3,090

As the plans are unfunded, the Company’s anticipated contributions for 2012 are equal to its estimated benefits payments.

Other Retirement Obligations

The Company participates in various other defined contribution and government-mandated retirement plans based on local law or custom. The Company periodically makes required contributions for certain of these plans, whereas other plans are unfunded retirement bonus plans which will be paid at the employee's retirement date. At December 31, 2011 and 2010, the consolidated balance sheets include $9,534 and $8,443, respectively, within accrued pension and other postretirement costs related to these plans.

Many of the Company’s U.S. employees are eligible to participate in 401(k) savings plans, some of which provide for Company matching under various formulas. The Company’s matching expense for the plans was $4,985, $5,399, and $5,004 for the years ended December 31, 2011, 2010, and 2009, respectively. No material amounts are included in the consolidated balance sheets at December 31, 2011 and 2010 related to unfunded 401(k) contributions.

Certain key employees participate in a deferred compensation plan. During the years ended December 31, 2011, 2010, and 2009, these employees could defer a portion of their compensation until retirement, or elect shorter deferral periods. The Company maintains a liability within other noncurrent liabilities on its consolidated balance sheets related to these deferrals. The Company maintains a non-qualified trust, referred to as a “rabbi” trust, to fund payments under this plan. Rabbi trust assets are subject to creditor claims under certain conditions and are not the property of employees. Therefore, they are accounted for as other noncurrent assets. Assets held in trust related to the deferred compensation plan at December 31, 2011 and 2010 were approximately $11,830 and $10,663, respectively.

The Company is obligated to pay post-employment benefits to certain terminated employees related to acquisitions. The liabilities recorded for these obligations total $6,818 and $9,222 as of December 31, 2011 and 2010, respectively. Of these amounts, $1,823 and $2,126 are included in accrued liabilities as of December 31, 2011 and 2010, respectively, with the remaining amounts included in other noncurrent liabilities.

- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph h
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph q
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 8
-Subparagraph m
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 518
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 264
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 03-2
-Paragraph 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 30
-Paragraph 26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS106-2
-Paragraph 20, 21, 22
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 158
-Paragraph 7, 21, 22
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5, 6, 7, 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Implementation Guide (Q and A)
-Number FAS88
-Paragraph 63
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI http://asc.fasb.org/topic&trid=2235017

+ Details

Share-Based Compensation

12 Months Ended

Dec. 31, 2011

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

Note 12 – Share-Based Compensation

The Company has various stockholder-approved programs which allow for the grant of share-based compensation to officers, employees, and non-employee directors.

The amount of compensation cost related to share-based payment transactions is measured based on the grant-date fair value of the equity instruments issued. The fair value of each option award is estimated on the date of grant using the Black-Scholes option-pricing model. The Company determines compensation cost for restricted stock units (“RSUs”), phantom stock units, and restricted stock based on the grant-date fair value of the underlying common stock. Compensation cost is recognized over the period that an officer, employee, or non-employee director provides service in exchange for the award.

The following table summarizes share-based compensation expense recognized:

	Years ended December 31,
	2011			2010		2009

Stock options	$	(83	)	$	619	$	827
Restricted stock units		6,693			1,849		869
Phantom stock units		222			175		74
Total	$	6,832		$	2,643	$	1,770

Stock-based compensation expense for the year ended December 31, 2011, as presented in the table above, includes amounts associated with the acceleration of vesting of awards upon the passing of Vishay’s former Executive Chairman of the Board of Directors, Dr. Felix Zandman. The associated expense is reported as a component of the executive compensation charge reported in the accompanying consolidated statement of operations. In accordance with Dr. Zandman’s employment agreement, 98,375 RSUs held by Dr. Zandman immediately vested and were contributed to his estate following his passing and 202,330 RSUs with performance-based vesting criteria will be contributed to his estate upon the Company’s achievement of the performance-based criteria. Additionally, the vesting of 77,334 unvested stock options held by Dr. Zandman at the time of his passing was accelerated. These options may be exercised by Dr. Zandman’s estate within one year from his passing pursuant to the Company’s stock option programs.

Stock-based compensation expense for the year ended December 31, 2011, as presented in the table above, also includes amounts associated with the acceleration of vesting of awards upon the resignation of Vishay’s former Chief Financial Officer, Dr. Lior Yahalomi. The associated expense is reported as a component of the executive compensation charge reported in the accompanying consolidated statement of operations. In accordance with Dr. Yahalomi’s employment agreement, 18,438 RSUs held by Dr. Yahalomi immediately vested upon his resignation and 55,316 RSUs with performance-based vesting criteria will vest upon the Company’s achievement of the performance-based criteria. Additionally, the vesting of 29,459 unvested stock options held by Dr. Yahalomi was accelerated. These options may be exercised by Dr. Yahalomi within one year from his resignation.

The following table summarizes unrecognized compensation cost and the weighted average remaining amortization periods at December 31, 2011 (amortization periods in years):


	Unrecognized Compensation Cost

			Weighted Average Remaining Amortization Periods

Stock options	$	92		1.1
Restricted stock units		4,313		1.5
Phantom stock units		-		0.0
Total	$	4,405

2007 Stock Incentive Plan

The Company’s 2007 Stock Incentive Program (the “2007 Program”) permits the grant of up to 3,000,000 shares of restricted stock, unrestricted stock, RSUs, and stock options, to officers, employees, and non-employee directors. Such instruments are available for grant until May 22, 2017.

The 2007 Program was originally approved by stockholders of the Company on May 22, 2007, as the “2007 Stock Option Program.” On May 28, 2008, the Company’s stockholders approved amendments to the 2007 Stock Option Program, which was then renamed the “2007 Stock Incentive Program”.

At December 31, 2011, the Company has reserved 1,534,000 shares of common stock for future grants of equity awards pursuant to the 2007 Program. If any outstanding awards are forfeited by the holder or cancelled by the Company, the underlying shares would be available for regrant to others.

On February 23, 2011, the Board of Directors of the Company amended and restated the 2007 Program. The amendment eliminated share recycling, so that on the exercise of an option where the exercise price is paid via the tender of previously-owned shares or pursuant to an “immaculate cashless exercise,” the total “gross” number of option shares exercised is removed from the pool of shares available for future issuance. Similarly, shares withheld to pay income taxes in connection with the exercise of an option are also removed from the pool. The amendment also restricts re-pricing and cash repurchases of options without the prior approval of stockholders.

Stock Options

In addition to stock options outstanding pursuant to the 2007 Program, during the periods presented, the Company had stock options outstanding under previous stockholder-approved stock option programs.

Under the 1998 Stock Option Program, certain executive officers and key employees were granted options. On March 16, 2008, the stockholder approval for the 1998 Stock Option Program expired. While no additional options may be granted pursuant to this plan, at December 31, 2011, 309,000 options issued under the 1998 Program remain outstanding and may be exercised in future periods.

On November 2, 2001, Vishay acquired General Semiconductor, Inc., which became a wholly owned subsidiary of the Company. As a result of the acquisition, each outstanding option to acquire General Semiconductor common stock became exercisable for shares of Vishay common stock. Based on the conversion ratio in the acquisition of 0.563 of a Vishay share for each General Semiconductor share, the former General Semiconductor options become exercisable in the aggregate for 4,282,000 shares of Vishay common stock on the date of the acquisition. All such options were immediately vested and exercisable as a result of the merger but the terms of the options otherwise remained unchanged. All options related to this plan either expired or were exercised during the year ended December 31, 2011. No additional options may be granted from this plan.

As a consequence of the spin-off of VPG on July 6, 2010, the exercise price of all stock options was reduced 9.48% and 259,000 make-up options were granted to reflect the loss of value to the option holders due to the decrease in the trading price of Vishay’s common stock as result of the spin-off. Additionally, approximately 102,000 stock options that were held by VPG employees expired.

The following table summarizes the Company’s stock option activity (number of options in thousands):

	Years ended December 31,
	2011					2010					2009
				Weighted Average Exercise Price					Weighted Average Exercise Price					Weighted Average Exercise Price
	Number of Options					Number of Options					Number of Options


Outstanding:
Beginning of year		1,254		$	15.04		2,728		$	19.84		3,904		$	18.55
Granted		-			-		-			-		-			-
Exercised		(651	)		14.87		-			-		-			-
Cancelled or forfeited		(219	)		14.92		(1,733	)		20.35		(1,176	)		15.55
Adjustment due to VPG spin-off*		-			-		259			-		-			-
End of year*		384		$	15.40		1,254		$	15.04		2,728		$	19.84

Vested and expected to vest*		384					1,254					2,728

Exercisable:
End of year*		323					1,001					2,400

* The weighted average exercise price of the stock options included in the line item “Adjustment due to VPG spin-off” is equal to the weighted average exercise price of such stock options prior to the spin-off, as reduced by the spin-off adjustment. The weighted average exercise price of stock options outstanding, vested and expected to vest, and exercisable as of December 31, 2010 also reflects the decrease in the exercise price as a result of the spin-off adjustment.

The following table summarizes information concerning stock options outstanding and exercisable at December 31, 2011 (number of options in thousands, contractual life in years):

	Options Outstanding			Options Exercisable
		Weighted Average Remaining Contractual Life
			Weighted Average Exercise Price		Weighted Average Exercise Price

	Number of Options			Number of Options
Exercise Price	Number of Options			Number of Options

$7.89	22	0.67	$7.89	22	$7.89
$11.54 - $14.33	53	3.18	13.31	43	13.42
$16.29	309	1.67	16.29	258	16.29
Total	384	1.82	$15.40	323	$15.34

The weighted-average remaining contractual life of all exercisable options is 1.17 years.

The fair value of each option award is estimated on the date of grant using the Black-Scholes option-pricing model. There were no options granted in 2011, 2010, or 2009 other than the replacement options.

The pretax aggregate intrinsic value (the difference between the closing stock price on the last trading day of 2011 of $8.99 per share and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holders had all option holders exercised their options on December 31, 2011 is $24. This amount changes based on changes in the market value of the Company’s common stock. During the year ended December 31, 2011, 651,000 options were exercised. No options were exercised during the years ended December 31, 2010 and 2009. The total intrinsic value of options exercised during the year ended December 31, 2011 was $1,693.

The following table summarizes information concerning unvested stock options (number of options in thousands):

	Years ended December 31,
	2011					2010					2009
				Weighted Average Grant-date Fair Value					Weighted Average Grant-date Fair Value					Weighted Average Grant-date Fair Value
	Number of Options					Number of Options					Number of Options


Unvested:
Beginning of year		253		$	9.33		328		$	9.93		447		$	9.64
Granted		-			-		-			-		-			-
Vested		(192	)		9.13		(81	)		9.24		(93	)		8.96
Forfeited		-			-		(19	)		7.95		(26	)		8.47
Adjustment due to VPG spin-off*		-			-		25			-		-			-
End of year*		61		$	9.96		253		$	9.33		328		$	9.93

* The weighted average grant date fair value of the stock options included in the line item “Adjustment due to VPG spin-off” is equal to the weighted average grant date fair value of such stock options prior to the spin-off, as reduced by the spin-off adjustment. The weighted average grant date fair value of stock options outstanding as of December 31, 2010 also reflects the decrease in the grant date fair value as a result of the spin-off adjustment.

Restricted Stock Units

Each RSU entitles the recipient to receive a share of common stock when the RSU vests.

As a consequence of the spin-off of VPG on July 6, 2010, approximately 60,000 make-up RSUs were granted to reflect the loss of value to the unit holders due to the decrease in the trading price of Vishay’s common stock as result of the spin-off. Additionally, approximately 5,000 RSUs that were held by VPG employees expired. RSU activity for the years ended December 31, 2011, 2010, and 2009 is presented below (number of RSUs in thousands):

	Years ended December 31,
	2011					2010					2009
				Weighted Average Grant-date Fair Value					Weighted Average Grant-date Fair Value					Weighted Average Grant-date Fair Value
	Number of RSUs					Number of RSUs					Number of RSUs


Outstanding:
Beginning of year		634		$	9.61		155		$	9.14		197		$	9.88
Granted		423			16.57		509			10.87		36			5.20
Vested		(154	)		11.25		(76	)		9.68		(78	)		9.20
Cancelled or forfeited		(12	)		13.26		(14	)		8.83		-			-
Adjustment due to VPG spin-off*		-			-		60			-		-			-
End of year*		891		$	12.58		634		$	9.61		155		$	9.14

* The weighted average grant date fair value per unit included in the line item “Adjustment due to VPG spin-off” is equal to the weighted average grant date fair value per unit of such RSUs prior to the spin-off, as reduced by the spin-off adjustment. The weighted average grant date fair value per unit of RSUs outstanding as of December 31, 2010 also reflects the decrease in the grant date fair value as a result of the spin-off adjustment.

The Company recognizes compensation cost for RSUs that are expected to vest. The performance vesting criteria of the RSUs granted in the year ended December 31, 2010 that contain performance-based vesting criteria have been adjusted by 10% to reflect the absence of VPG within Vishay’s consolidated results. The Company expects all performance-based vesting criteria for outstanding performance-based RSUs to be achieved. RSUs with performance-based vesting criteria are expected to vest as follows (number of RSUs in thousands):

			Vesting Date		Number of RSUs
			January 1, 2013		324
			January 1, 2014		233

On June 16, 2010, the terms of certain senior executives’ RSUs and performance-based RSUs were modified such that in the event of (i) the termination of the executive’s employment by the Company without cause, by the executive for “good reason,” or as a result of death or disability, the executive’s outstanding RSUs shall immediately vest and the outstanding performance-based RSUs shall vest on their normal vesting date to the extent applicable performance criteria are realized; and (ii) a change of control of Vishay, all of such executive’s outstanding RSUs and performance-based RSUs shall immediately vest. In the event of voluntary termination by the executive (without “good reason”) or termination for cause, the executive’s outstanding RSUs and performance-based RSUs will be forfeited.

The modification of the terms of the RSUs and performance-vested RSUs had no effect on the Company’s financial position, results of operations, or liquidity.

Phantom Stock Plan

The Company maintains a phantom stock plan for certain senior executives. The Phantom Stock Plan authorizes the grant of up to 300,000 phantom stock units to the extent provided for in employment agreements with the Company. Each phantom stock unit entitles the recipient to receive a share of common stock at the individual’s termination of employment or any other future date specified in the individual’s employment agreement. The phantom stock units are fully vested at all times.

If the Company declares dividends on its common stock, the dividend amounts with respect to the phantom stock units will be deemed reinvested in additional units of phantom stock.

The Board of Directors of the Company can amend or terminate the Phantom Stock Plan at any time, except that phantom stock units already granted to any individual cannot be adversely affected without the individual’s consent. Furthermore, stockholder approval of an amendment is required if the amendment increases the number of units subject to the Phantom Stock Plan or otherwise materially amends the Phantom Stock Plan or if stockholder approval is otherwise required by applicable law or stock exchange rules. If the Board of Directors does not terminate the Phantom Stock Plan, it will terminate when all phantom stock units have been awarded with respect to all 300,000 shares of common stock reserved for the Phantom Stock Plan.

In accordance with the Phantom Stock Plan, following Dr. Zandman’s passing, 43,667 phantom stock units held by Dr. Zandman’s estate were redeemed as common stock. As a consequence of the spin-off of VPG on July 6, 2010, approximately 15,000 make-up phantom stock units were granted to reflect the loss of value to the unit holders due to the decrease in the trading price of Vishay’s common stock as result of the spin-off. Additionally, 38,667 phantom stock units held by a VPG employee were adjusted and redeemed as common stock on December 7, 2010. The following table summarizes the Company’s phantom stock units activity for the years ended December 31, 2011, 2010, and 2009 (number of phantom stock units in thousands):

	Years ended December 31,
	2011					2010					2009
	Number of Phantom Stock Units			Grant- date Fair Value per Unit		Number of Phantom Stock Units			Grant- date Fair Value per Unit		Number of Phantom Stock Units		Number of Phantom Stock Units



Outstanding:
Beginning of year		116					120					100
Granted		15		$	14.78		20		$	8.76		20	$	3.70
Redeemed for common stock		(44	)				(39	)				-
Adjustment due to VPG spin-off		-					15					-
End of year		87					116					120

Available for future grants		95					110					145

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

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-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

+ Details

Commitments and Contingencies

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies [Abstract]

Commitments and Contingencies

Leases

The Company uses various leased facilities and equipment in its operations. In the normal course of business, operating leases are generally renewed or replaced by other leases. Certain operating leases include escalation clauses.

Total rental expense under operating leases was $26,351, $28,194, and $29,631 for the years ended December 31, 2011, 2010, and 2009, respectively. VPG accounted for $1,789 and $3,624 of rental expense for the years ended December 31, 2010 and 2009, respectively.

Future minimum lease payments for operating leases with initial or remaining noncancelable lease terms in excess of one year are as follows:

	2012		$23,565
	2013		18,272
	2014		14,970
	2015		11,960
	2016		10,318
	Thereafter		17,989

The Company also has capital lease obligations of $38 at December 31, 2011.

Environmental Matters

The Company is subject to various federal, state, local, and foreign laws and regulations governing environmental matters, including the use, discharge, and disposal of hazardous materials. The Company’s manufacturing facilities are believed to be in substantial compliance with current laws and regulations. Complying with current laws and regulations has not had a material adverse effect on the Company’s financial condition.

The Company has engaged environmental consultants and attorneys to assist management in evaluating potential liabilities related to environmental matters. Management assesses the input from these consultants along with other information known to the Company in its effort to continually monitor these potential liabilities. Management assesses its environmental exposure on a site-by-site basis, including those sites where the Company has been named as a “potentially responsible party.” Such assessments include the Company’s share of remediation costs, information known to the Company concerning the size of the hazardous waste sites, their years of operation, and the number of past users and their financial viability.

The Company has accrued environmental liabilities of $14,546 as of December 31, 2011 relating to environmental matters related to its General Semiconductor subsidiary. The Company has also accrued approximately $10,611 at December 31, 2011 for other environmental matters. The liabilities recorded for these matters total $25,157, of which $10,283 is included in other accrued liabilities on the consolidated balance sheet, and $14,874 is included in other noncurrent liabilities on the consolidated balance sheet.

While the ultimate outcome of these matters cannot be determined, management does not believe that the final disposition of these matters will have a material adverse effect on the Company’s consolidated financial position, results of operations, or cash flows beyond the amounts previously provided for in the consolidated financial statements. The Company’s present and past facilities have been in operation for many years. These facilities have used substances and have generated and disposed of wastes which are or might be considered hazardous. Therefore, it is possible that additional environmental issues may arise in the future, which the Company cannot now predict.

Litigation

The Company is a party to various claims and lawsuits arising in the normal course of business. The Company is of the opinion that these litigations or claims will not have a material negative effect on its consolidated financial position, results of operations, or cash flows.

Semiconductor Foundry Agreements

The Company’s Siliconix subsidiary maintains long-term foundry agreements with subcontractors to ensure access to external front-end capacity.

In 2004, Siliconix signed a definitive long-term foundry agreement for semiconductor manufacturing with Tower Semiconductor (the “Tower agreement”), pursuant to which Siliconix would purchase semiconductor wafers from and transfer certain technology to Tower Semiconductor. The foundry agreement with Tower was amended in 2008 and further amended in March 2009 to reduce the quantity of commitments. As consideration, Siliconix paid $3,000 to Tower, which was recorded as a component of cost of products sold in 2009. During the year ended December 31, 2010 Siliconix was refunded the full amount of this payment, which was recorded as a reduction of costs of products sold. In 2010, Siliconix amended its agreement with Tower to extend through the second quarter of 2015.

Management estimates its purchase commitments under the Tower agreement as follows:

	2012		$22,569
	2013		7,106
	2014		6,890
	2015		6,890

Siliconix has granted Tower an option to produce additional wafers under this agreement, as needed by Siliconix, and accordingly, actual purchases from Tower may be different than the commitments disclosed above. Actual purchases from Tower during the year ended December 31, 2011 were approximately $36,407.

Product Quality Claims

The Company is a party to various product quality claims in the normal course of business. The Company provides warranties for its products which offer replacement of defective products. Annual warranty expenses are generally not significant. The Company periodically receives claims which arise from consequential damages which result from a customer’s installation of an alleged defective Vishay component into the customer’s product. Although not covered by its stated warranty, Vishay may occasionally reimburse the customer for these consequential damages in limited circumstances.

Executive Employment Agreements

The Company has employment agreements with certain of its senior executives. These employment agreements provide incremental compensation in the event of termination. The Company does not provide any severance or other benefits specifically upon a change in control.

On May 13, 2009, the Company entered into an amended and restated employment agreement with Dr. Felix Zandman (the “2009 Agreement”). This agreement amended and restated the employment agreement between the Company and Dr. Zandman that was previously amended and restated as of January 1, 2004 (the “2004 Agreement”).

The purpose of the 2009 Agreement was to eliminate the right of Dr. Zandman to receive a royalty during the ten years following his termination of employment equal to 5% of gross sales, less returns and allowances, of Vishay products incorporating inventions and any other form of technology created, discovered or developed by him or under his direction. The royalty was payable in the event Dr. Zandman was terminated without “cause” or resigned for “good reason,” as defined in the 2004 Agreement. This provision was carried over from Dr. Zandman’s original employment agreement of March 1985, and could not be modified or eliminated without Dr. Zandman’s consent. It was a reflection, among other things, of Dr. Zandman’s key role in the founding of the Company and in creating, developing and commercializing the Company’s technologies and the absence of any compensation to Dr. Zandman for the core intellectual property that he contributed to the Company over the years from its inception.

The Company engaged a consultant in 2007 to assist its evaluation of the royalties to which Dr. Zandman would be entitled were his employment to be terminated. Based in part upon the work of this consultant and management’s own updated computations, management estimated that the present value of the royalties to which Dr. Zandman would be entitled were his employment terminated at December 31, 2008 would have been between approximately $370,000 and $445,000, with a possible tax gross-up if the royalties were payable in connection with a change of control and deemed subject to an excise tax. (This present value does not factor in any assessment of the probability of payment.)

Pursuant to the 2009 Agreement, Dr. Zandman’s right to the royalty payments was terminated. Dr. Zandman received a payment of $10,000 as of the effective date of the amended and restated agreement, and his estate is entitled to receive annual payments of $10,000 each through 2014. Dr. Zandman’s passing in June 2011 has no effect on the timing of these payments. The Company recognized compensation expense of $57,824 during the second quarter of 2009, representing the present value of these payments. This amount is presented on a separate line in the accompanying consolidated statements of operations. The Company recognized no tax benefit associated with the executive employment agreement charge. At December 31, 2011, the Company had approximately $19,400 and $10,000 accrued in other liabilities and other accrued expenses, respectively, for this liability.

The Company recognized compensation expense of $3,889 reported as a component of the executive compensation charges in the accompanying consolidated statement of operations for the year ended December 31, 2011 for other elements of compensation that accelerated upon the passing of Dr. Zandman. (See also Note 12.)

The Company recognized compensation expense of $1,873 reported as a component of the executive compensation charges in the accompanying consolidated statement of operations for the year ended December 31, 2011 for elements of compensation payable to the Company’s former Chief Financial Officer, Dr. Lior Yahalomi, in connection with his resignation. (See also Note 12.)

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 8
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 825
-SubTopic 20
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-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621

+ Details

Current Vulnerability Due to Certain Concentrations

12 Months Ended

Dec. 31, 2011

Current Vulnerability Due to Certain Concentrations Abstract

Current Vulnerability Due to Certain Concentrations

Note 14 – Current Vulnerability Due to Certain Concentrations

Market Concentrations

While no single customer comprises greater than 10% of net revenues, a material portion of the Company’s revenues are derived from the worldwide industrial, telecommunications, and computing markets. These markets have historically experienced wide variations in demand for end products. If demand for these end products should decrease, the producers thereof could reduce their purchases of the Company’s products, which could have a material adverse effect on the Company’s results of operations and financial position.

Credit Risk Concentrations

Financial instruments with potential credit risk consist principally of cash and cash equivalents, short-term investments, accounts receivable, and notes receivable. Concentrations of credit risk with respect to receivables are generally limited due to the Company’s large number of customers and their dispersion across many countries and industries. As of December 31, 2011, one customer comprised 10.9% of the Company’s accounts receivable balance. This customer comprised 8.7% of the accounts receivable balance as of December 31, 2010. As of December 31, 2010, no customer comprised greater than 10% of the Company’s accounts receivable balance. The Company continually monitors the credit risks associated with its accounts receivable and adjusts the allowance for uncollectible accounts accordingly. The credit risk exposure associated with the accounts receivable is limited by the allowance and is not considered material to the financial statements.

The Company maintains cash and cash equivalents and short-term investments with various major financial institutions. The Company is exposed to credit risk related to the potential inability to access liquidity in financial institutions where its cash and cash equivalents and short-term investments are concentrated. As of December 31, 2011, the following financial institutions held over 10% of the Company’s combined cash and cash equivalents and short-term investments balance:


Bank Leumi*	21.5	%
UniCredit	14.4	%
KBC*	13.4	%
JP Morgan Chase*	11.9	%

___________________________________________________

*Participant in Credit Facility

Sources of Supplies

Many of the Company’s products require the use of raw materials that are produced in only a limited number of regions around the world or are available from only a limited number of suppliers. The Company’s consolidated results of operations may be materially and adversely affected if there are significant price increases for these raw materials, the Company has difficulty obtaining these raw materials, or the quality of available raw materials deteriorates. For periods in which the prices of these raw materials are rising, the Company may be unable to pass on the increased cost to the Company’s customers, which would result in decreased margins for the products in which they are used. For periods in which the prices are declining, the Company may be required to write down its inventory carrying cost of these raw materials which, depending on the extent of the difference between market price and its carrying cost, could have a material adverse effect on the Company’s net earnings.

Vishay is a major consumer of the world’s annual production of tantalum. Tantalum, a metal purchased in powder or wire form, is the principal material used in the manufacture of tantalum capacitors. There are few suppliers that process tantalum ore into capacitor grade tantalum powder.

From time to time, there have been short-term market shortages of raw materials utilized by the Company. While these shortages have not historically adversely affected the Company’s ability to increase production of products containing these raw materials, they have historically resulted in higher raw material costs for the Company. The Company cannot assure that any of these market shortages in the future would not adversely affect the Company’s ability to increase production, particularly during periods of growing demand for the Company’s products.

Certain raw materials used in the manufacture of the Company’s products, such as gold, copper, palladium, and other metals, are traded on active markets and can be subject to significant price volatility. To ensure adequate supply and to provide cost certainty, the Company’s policy is to enter into short-term commitments to purchase defined portions of annual consumption of the raw materials utilized by the Company if market prices decline below budget. If after entering into these commitments, the market prices for these raw materials decline, the Company must recognize losses on these adverse purchase commitments.

Geographic Concentration

The Company has operations outside the United States, and approximately 78% of revenues earned during 2011 were derived from sales to customers outside the United States. Additionally, as of December 31, 2011, $875,073 of the Company’s cash and cash equivalents and short-term investments were held in countries outside of the United States. Some of the Company’s products are produced and cash and cash equivalents and short-term investments are held in countries which are subject to risks of political, economic, and military instability. This instability could result in wars, riots, nationalization of industry, currency fluctuations, and labor unrest. These conditions could have an adverse impact on the Company’s ability to operate in these regions and, depending on the extent and severity of these conditions, could materially and adversely affect the Company’s overall financial condition, operating results, and ability to access its liquidity when needed. As of December 31, 2011 the Company’s cash and cash equivalents and short-term investments were concentrated in the following countries:

Israel	29.9	%
Germany	28.0	%
United States	12.4	%
Singapore	8.9	%
People's Republic of China	6.1	%
Other Europe	7.8	%
Other Asia	6.3	%
Other	0.6	%

Vishay has been in operation in Israel for 41 years. The Company has never experienced any material interruption in its operations attributable to these factors, in spite of several Middle East crises, including wars.

- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 94-6
-Paragraph 21, 22, 24
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
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-Paragraph 21
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+ Details

Segment and Geographic Data

12 Months Ended

Dec. 31, 2011

Segment and Geographic Data [Abstract]

Segment and Geographic Data

Note 15 –Segment and Geographic Data

In preparation for the spin-off of VPG, which was completed on July 6, 2010, the Company realigned its reportable business segments structure in the second fiscal quarter of 2010 to be consistent with changes made to its management reporting. The changes made to management reporting included separating the former Semiconductors reporting segment into MOSFETs, Diodes, and Optoelectronic Components and separating the former Passive components reporting segment into Resistors and Inductors, Capacitors, and VPG. The changes were necessary due to the former Passive components segment no longer being comparable after the completion of the spin-off of VPG, the need for discrete information regarding VPG, and the increased interest of management and outside investors in more discrete financial information. Effective beginning in the second fiscal quarter of 2010, the chief operating decision maker began making strategic and operating decisions with regards to assessing performance and allocating resources based on this new segment structure. Following the completion of the spin-off in the third fiscal quarter, the Company has five reporting segments.

The Company evaluates business segment performance on operating income, exclusive of certain items (“segment operating income”). Beginning in the second fiscal quarter of 2010, the Company changed its definition of segment operating income to exclude such costs as global operations, sales and marketing, information systems, finance and administration groups. These costs are managed by executives that report to the chief operating decision maker and were formerly included in segment operating income. Only dedicated, direct selling, general, and administrative expenses of the segments are included in the calculation of segment operating income. Additionally, management has always evaluated segment performance excluding items such as restructuring and severance costs, asset write-downs, goodwill and indefinite-lived intangible asset impairments, inventory write-downs, gains or losses on purchase commitments, and other items. Management believes that evaluating segment performance excluding such items is meaningful because it provides insight with respect to intrinsic operating results of the Company. These items represent reconciling items between segment operating income and consolidated operating income. Business segment assets are the owned or allocated assets used by each business.

The Company has also disclosed certain additional items not used to evaluate segment performance. In some cases, the items are regularly provided to the chief operating decision maker and are required to be disclosed by GAAP. Additionally, the additional segment disclosures may provide insight to the Company’s future profitability by reportable segment.

The following tables set forth business segment information:

	MOSFETs		Diodes		Optoelectronic Components		Resistors & Inductors			Capacitors		Vishay Precision Group		Corporate / Other		Total
Year ended December 31, 2011:
Product sales	$	537,783	$	607,493	$	229,814	$	634,490		$	577,816	$	-	$	-	$	2,587,396
Royalty revenues		197		-		72		6,364			-		-		-	$	6,633
Total revenue	$	537,980	$	607,493	$	229,886	$	640,854		$	577,816	$	-	$	-	$	2,594,029

Gross Margin	$	125,498	$	143,876	$	74,772	$	213,997		$	161,843	$	-	$	-	$	719,986

Depreciation expense	$	53,808	$	39,577	$	12,384	$	32,039		$	25,979	$	-	$	1,235	$	165,022
Interest expense (income)		12		-		-		223			223		-		18,819	$	19,277
Capital expenditures		61,520		39,444		15,442		28,751			19,676		-		3,808	$	168,641

Total Assets as of December 31, 2011:	$	646,660	$	682,017	$	163,486	$	609,556		$	672,049	$	-	$	219,962	$	2,993,730

Year ended December 31, 2010:
Product sales	$	626,498	$	596,354	$	226,402	$	622,819		$	546,149	$	101,089	$	-	$	2,719,311
Royalty revenues		200		-		96		5,485			-		-		-	$	5,781
Total revenue	$	626,698	$	596,354	$	226,498	$	628,304		$	546,149	$	101,089	$	-	$	2,725,092

Gross Margin	$	189,209	$	138,308	$	75,804	$	222,785		$	144,349	$	37,030	$	-	$	807,485

Depreciation expense	$	51,865	$	39,035	$	12,282	$	30,142		$	31,551	$	3,391	$	1,458	$	169,724
Interest expense (income)		-		-		-		933			762		33		9,308	$	11,036
Capital expenditures		55,457		30,879		13,066		27,874			17,132		918		87	$	145,413

Total Assets as of December 31, 2010:	$	745,641	$	685,490	$	163,584	$	602,466		$	652,742	$	-	$	116,170	$	2,966,093

Year ended December 31, 2009:
Product sales	$	427,110	$	410,415	$	167,317	$	438,600		$	420,890	$	171,991	$	-	$	2,036,323
Royalty revenues		71		-		13		5,626			-		-		-	$	5,710
Total revenue	$	427,181	$	410,415	$	167,330	$	444,226		$	420,890	$	171,991	$	-	$	2,042,033

Gross Margin	$	57,280	$	51,361	$	37,180	$	109,093		$	80,533	$	52,714	$	-	$	388,161

Depreciation expense	$	58,762	$	38,638	$	14,757	$	38,392		$	46,684	$	8,446	$	330	$	206,009
Interest expense (income)		23		93		172		(27	)		934		69		9,057	$	10,321
Capital expenditures		10,309		12,474		3,453		11,126			10,567		2,181		230	$	50,340

Total Assets as of December 31, 2009:	$	566,952	$	522,080	$	132,065	$	572,076		$	668,271	$	209,779	$	48,323	$	2,719,546

Years ended December 31,
	2011			2010			2009
Operating margin reconciliation:
MOSFETs	$	85,336		$	152,794		$	25,434
Diodes		118,111			115,168			31,275
Optoelectronic Components		60,492			64,088			24,441
Resistors & Inductors		185,327			195,730			85,406
Capacitors		136,901			121,714			60,480
Vishay Precision Group		-			18,949			22,510
Unallocated Selling, General, and Administrative Expenses		(233,804	)		(250,505	)		(220,547	)
Restructuring and severance Costs		-			-			(37,874	)
Asset write-downs		-			-			(681	)
Settlement agreement gain		-			-			28,195
Executive compensation charges		(5,762	)		-			(57,824	)
Consolidated Operating Income (Loss)	$	346,601		$	417,938		$	(39,185	)

Restructuring and severance costs:
MOSFETs	$	-	$	-	$	8,017
Diodes		-		-		4,707
Optoelectronic Components		-		-		2,755
Resistors & Inductors		-		-		9,374
Capacitors		-		-		5,353
Vishay Precision Group		-		-		2,048
Unallocated Selling, General, and Administrative Expenses		-		-		5,620
	$	-	$	-	$	37,874

Asset write-downs:
Diodes		$	-			$	-			$	681

Until July 6, 2010, VPG was part of Vishay and its assets, liabilities, results of operations, and cash flows are included in the amounts reported in these consolidated financial statements for periods prior to the completion of the spin-off. Excluding the non-recurring costs of the spin-off incurred by Vishay, VPG contributed $9,716 of income before taxes, $5,811 of net earnings attributable to Vishay stockholders, and $0.03 per diluted share attributable to Vishay stockholders to Vishay’s 2010 results.

The following table summarizes net revenues based on revenues generated by subsidiaries located within the identified geographic area:

	Years ended December 31,
	2011		2010		2009

United States	$	363,847	$	345,267	$	312,262
Germany		801,539		726,235		544,364
Other Europe		175,639		217,099		195,212
Israel		219,037		292,025		212,483
Asia		1,033,967		1,144,466		777,712
	$	2,594,029	$	2,725,092	$	2,042,033

In the fourth fiscal quarter of 2011, Vishay made changes to its business model to streamline its sales process such that three main subsidiaries will generate the majority of future third-party sales.

The following table summarizes property and equipment based on physical location:

	December 31,
	2011		2010

United States	$	136,159	$	141,309
Germany		125,905		128,549
Czech Republic		53,126		58,545
Other Europe		97,212		96,313
Israel		125,885		121,070
People's Republic of China		178,877		181,043
Republic of China (Taiwan)		117,450		117,513
Other Asia		71,677		66,093
Other		1,614		1,679
	$	907,905	$	912,114

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8984-108599

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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+ Details

Earnings Per Share

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Earnings Per Share

Note 16 – Earnings Per Share

Basic earnings per share is computed using the weighted average number of common shares outstanding during the periods presented. Diluted earnings per share is computed using the weighted average number of common shares outstanding adjusted to include the potentially dilutive effect of stock options and restricted stock units (see Note 12), warrants (see Note 7), convertible debt instruments (see Note 6), and other potentially dilutive securities.

The following table sets forth the computation of basic and diluted earnings per share attributable to Vishay stockholders (shares in thousands):

	Years ended December 31,
	2011		2010		2009

Numerator:
Numerator for basic earnings (loss) per share:
Net earnings (loss)	$	238,821	$	359,106	$	(57,188	)

Adjustment to the numerator for continuing operations and net earnings (loss):

Interest savings assuming conversion of dilutive convertible and exchangeable notes, net of tax		189		257		-

Numerator for diluted earnings (loss) per share:
Net earnings (loss)	$	239,010	$	359,363	$	(57,188	)

Denominator:
Denominator for basic earnings (loss) per share:
Weighted average shares		160,094		183,618		186,605

Effect of dilutive securities:
Convertible and exchangeable debt instruments		7,820		6,313		-
Employee stock options		106		10		-
Other		494		286		-
Dilutive potential common shares		8,420		6,609		-

Denominator for diluted earnings (loss) per share:
Adjusted weighted average shares		168,514		190,227		186,605


Basic earnings (loss) per share attributable to Vishay stockholders	$	1.49	$	1.96	$	(0.31	)

Diluted earnings (loss) per share attributable to Vishay stockholders	$	1.42	$	1.89	$	(0.31	)

Diluted earnings per share for the years presented do not reflect the following weighted average potential common shares, as the effect would be antidilutive (in thousands):

	Years ended December 31,
	2011		2010		2009
Convertible and exchangeable notes:
Convertible Senior Debentures, due 2040		9,905		-		-
Convertible Senior Debentures, due 2041		5,026		-		-
Convertible Subordinated Notes, due 2023		-		51		87
Exchangeable Unsecured Notes, due 2102		-		-		6,176
Weighted average employee stock options		182		2,243		3,615
Weighted average warrants		8,824		8,824		8,824
Weighted average other		123		35		294

In periods in which they are dilutive, if the potential common shares related to the exchangeable notes are included in the computation, the related interest savings, net of tax, assuming conversion/exchange is added to the net earnings used to compute earnings per share.

The Company’s convertible debt instruments are only convertible upon the occurrence of certain events. While none of these events has occurred as of December 31, 2011, certain conditions which could trigger conversion have been deemed to be non-substantive, and accordingly, the Company has always assumed the conversion of these instruments in its diluted earnings per share computation during periods in which they are dilutive.

At the direction of its Board of Directors, the Company intends, upon conversion, to repay the principal amount of the convertible senior debentures, due 2040 and due 2041, in cash and settle any additional amounts in shares of Vishay common stock. Accordingly, the debentures are included in the diluted earnings per share computation using the “treasury stock method” (similar to options and warrants) rather than the “if converted method” otherwise required for convertible debt. Under the “treasury stock method,” Vishay calculates the number of shares issuable under the terms of the notes based on the average market price of Vishay common stock during the period, and that number is included in the total diluted shares figure for the period. If the average market price is less than $13.88, no shares are included in the diluted earnings per share computation for the convertible senior debentures due 2040, and if the average market price is less than $19.02, no shares are included in the diluted earnings per share computation for the convertible senior debentures due 2041.

As described in Note 6, the Company purchased 99.6% of the outstanding convertible subordinated notes due 2023 pursuant to the option of the holders to require the Company to repurchase their notes on August 1, 2008. The remaining notes, with an aggregate principal amount of $1,870, were redeemed at Vishay’s option on August 1, 2010.

Additional Cash Flow Information

12 Months Ended

Dec. 31, 2011

Additional Cash Flow Information [Abstract]

Additional Cash Flow Information

Note 17 – Additional Cash Flow Information

Changes in operating assets and liabilities, net of effects of businesses acquired consists of the following:

	Years ended December 31,
	2011			2010			2009

Accounts receivable	$	61,918		$	(89,261	)	$	29,055
Inventories		(13,829	)		(54,358	)		79,415
Prepaid expenses and other current assets		(14,273	)		(22,637	)		43,549
Accounts payable		(11,468	)		59,568			12,838
Other current liabilities		(74,851	)		108,418			(56,107	)
Net change in operating assets and liabilities	$	(52,503	)	$	1,730		$	108,750

Fair Value Measurements

12 Months Ended

Dec. 31, 2011

Fair Value Measurements [Abstract]

Fair Value Measurements

Note 18 – Fair Value Measurements

The fair value measurement accounting guidance establishes a valuation hierarchy of the inputs used to measure fair value. This hierarchy prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:

Level 1: Observable inputs such as quoted prices (unadjusted) in active markets for identical assets or liabilities.

Level 2: Inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

Level 3: Unobservable inputs that reflect the Company’s own assumptions.

An asset or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

The following table provides the financial assets and liabilities carried at fair value measured on a recurring basis as of December 31, 2011 and 2010:

	Total Fair Value
	Total Fair Value	Level 1	Level 2	Level 3
December 31, 2011
Assets:
Assets held in rabbi trusts	$31,698	$20,569	$11,129	$-
Available for sale securities	$6,776	6,776	-	-
U.S. Defined Benefit Pension Plan Assets:
Equity securities	$138,379	138,379	-	-
Fixed income securities	$93,842	40,606	53,236	-
Real Estate Investment Trust securities	$6,486	6,486	-	-
Cash and cash equivalents	$338	338	-	-
Non - U.S. Defined Benefit Pension Plan Assets:
Equity securities	$6,815	6,815	-	-
Fixed income securities	$10,173	10,173	-	-
Cash and cash equivalents	$18,556	18,556	-	-
	$313,063	$248,698	$64,365	$-
Liabilities:
Embedded derivative - convertible debentures due 2040	$(594)	-	-	(594)
Embedded derivative - convertible debentures due 2041	$(392)	-	-	(392)
	$(986)	$-	$-	$(986)

December 31, 2010
Assets:
Assets held in rabbi trusts	$25,585	$15,575	$10,010	$-
Available for sale securities	$5,736	5,736	-	-
U.S. Defined Benefit Pension Plan Assets:
Equity securities	$142,808	142,808	-	-
Fixed income securities	$87,233	39,063	48,170	-
Real Estate Investment Trust securities	$6,339	6,339	-	-
Cash and cash equivalents	$2,143	2,143	-	-
Non - U.S. Defined Benefit Pension Plan Assets:
Equity securities	$7,751	7,751	-	-
Fixed income securities	$8,538	8,538	-	-
Cash and cash equivalents	$16,172	16,172	-	-
	$302,305	$244,125	$58,180	$-
Liability:
Embedded derivative - convertible debentures due 2040	$(319)	-	-	(319)

The Company maintains non-qualified trusts, referred to as “rabbi” trusts, to fund payments under deferred compensation and non-qualified pension plans. Rabbi trust assets consist primarily of marketable securities, classified as available-for-sale and company-owned life insurance assets. The marketable securities held in the rabbi trusts are valued using quoted market prices on the last business day of the year. The company-owned life insurance assets are valued in consultation with the Company’s insurance brokers using the value of underlying assets of the insurance contracts. The fair value measurement of the marketable securities held in the rabbi trust is considered a Level 1 measurement and the measurement of the company-owned life insurance assets is considered a Level 2 measurement within the fair value hierarchy.

The Company maintains defined benefit retirement plans in certain of its U.S. and non-U.S. subsidiaries. The assets of the plans are measured at fair value.

Equity securities held by the U.S. defined benefit retirement plans consist of various mutual funds and exchange traded funds that are valued based on quoted market prices on the last business day of the year. The fair value measurement of the mutual funds and exchange traded funds securities is considered a Level 1 measurement within the fair value hierarchy.

Fixed income securities held by the U.S. defined benefit retirement plans consist of exchange traded funds, investments in a group annuity contract, and a short-term investment fund. The exchange traded funds are valued based on quoted market prices on the last business day of the year. The fair value measurement of the exchange traded funds securities is considered a Level 1 measurement within the fair value hierarchy. The group annuity contract consists of a general asset account and a pooled separate account. Units of the general asset account are valued based on a discounted cash flow model using the current yields of similar instruments with comparable durations and similar credit risk. The pooled separate accounts are valued based on the value of the underlying bond funds, which are valued at quoted market prices on the last business day of the year, with adjustments made to reflect the nature of how the investment is held. The fair value measurement of the group annuity contract is considered a Level 2 measurement within the fair value hierarchy. The short-term investment fund strictly invests in short-term investments, including commercial paper, certificates of deposit, U.S. government agency and instrumentality obligations, U.S. government obligations, corporate notes, and funding agreements. The maturity date of all investments held by the short-term investment fund is within one year from the financial statement date. There are no redemption restrictions on the plan’s investment. The fair value of the short-term investment fund has been estimated using the net asset value per share of the investment. The fair value measurement of the short-term investment fund is considered a Level 2 measurement within the fair value hierarchy.

Real estate investments held by the U.S. defined benefit retirement plans consist of real estate investment trust securities that are valued at quoted market prices on the last business day of the year. The fair value measurement of the real estate investments is considered a Level 1 measurement within the fair value hierarchy.

Equity securities held by the non-U.S. defined benefit retirement plans consist of equity securities that are valued based on quoted market prices on the last business day of the year. The fair value measurement of the equity securities is considered a Level 1 measurement within the fair value hierarchy.

Fixed income securities held by the non-U.S. defined benefit retirement plans consist of government bonds and corporate notes that are valued based on quoted market prices on the last business day of the year. The fair value measurement of the fixed income securities is considered a Level 1 measurement within the fair value hierarchy.

Cash held by the non-U.S. defined benefit retirement plans consists of deposits on account in various financial institutions. The carrying amount of the cash approximates its fair value.

The Company holds available for sale investments in debt securities that are intended to fund a portion of its other postretirement benefit obligations outside of the U.S. and equity securities in a non-U.S. company. The investments are valued based on quoted market prices on the last business day of the year. The fair value measurement of the investments is considered a Level 1 measurement within the fair value hierarchy.

The convertible senior debentures, due 2040 and due 2041, issued by the Company on November 9, 2010 and May 13, 2011, respectively, contain embedded derivative features that GAAP requires to be bifurcated and remeasured each reporting period. Each quarter, the change in the fair value of the embedded derivative features, if any, is recorded in the consolidated statements of operations. The Company uses a derivative valuation model to derive the value of the embedded derivative features. Key inputs into this valuation model are the Company’s current stock price, risk-free interest rates, the stock dividend yield, the stock volatility, and the debentures’ credit spread over London Interbank Offered Rate (LIBOR). The first three aforementioned inputs are based on observable market data and are considered Level 2 inputs while the last two aforementioned inputs are unobservable and thus require management’s judgment and are considered Level 3 inputs. The fair value measurement is considered a Level 3 measurement within the fair value hierarchy.

The fair value of the long-term debt, excluding the derivative liability, at December 31, 2011 and 2010 is approximately $533,900 and $624,800, respectively, compared to its carrying value, excluding the derivative liability, of $398,068 and $431,363, respectively. The Company estimates the fair value of its long-term debt using a combination of quoted market prices for similar financing arrangements and expected future payments discounted at risk-adjusted rates, which are considered level 2 inputs.

The Company’s financial instruments include cash and cash equivalents, short-term investments, accounts receivable, long-term notes receivable, short-term notes payable, and accounts payable. The carrying amounts for these financial instruments reported in the consolidated balance sheets approximate their fair values.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15C, 15D
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-Subparagraph a-d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15B
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 3, 10, 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32, 33, 34
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 17-22, 27, 28
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+ Details

Summary of Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2011

Summary of Quarterly Financial Information (Unaudited) [Abstract]

Summary of Quarterly Financial Information (Unaudited)

Note 19 – Summary of Quarterly Financial Information (Unaudited)

	2011											2010
	First			Second			Third			Fourth		First		Second		Third		Fourth
Statement of Operations data:
Net revenues	$	695,151		$	709,838		$	637,649		$	551,391	$	640,460	$	701,655	$	694,365	$	688,612
Gross profit		214,663			212,190			167,477			125,656		167,013		210,593		218,378		211,501
Operating income (loss)		122,198			115,505			75,333			33,565		65,125		101,327		130,903		120,583
Net earnings (loss)		75,607			82,496			50,692			31,202		45,639		76,965		90,152		147,537
Net earnings (loss) attributable to
noncontrolling interests		320			401			205			250		219		306		353		309
Net earnings (loss) attributable to
Vishay stockholders		75,287			82,095			50,487			30,952		45,420		76,659		89,799		147,228

Per Share data:
Basic earnings (loss) per share
attributable to Vishay stockholders (a)	$	0.46		$	0.51		$	0.32		$	0.20	$	0.24	$	0.41	$	0.48	$	0.84

Diluted earnings (loss) per share
attributable to Vishay stockholders (a)	$	0.43		$	0.48		$	0.31		$	0.19	$	0.24	$	0.40	$	0.47	$	0.81

Certain Items Recorded during the Quarters:
Operating income (loss):
Executive compensation charge	$	-		$	(3,889	)	$	(1,873	)	$	-	$	-	$	-	$	-	$	-

One time tax benefit (expense)	$	(10,024	)	$	-		$	-		$	6,538	$	-	$	-	$	-	$	59,484

Quarter end date (b)	April 2			July 2			Oct. 1			Dec. 31		April 3		July 3		Oct. 2		Dec. 31

(a) May not add due to differences in weighted average share counts.

(b) The Company reports interim financial information for 13-week periods beginning on a Sunday and ending on a Saturday, except for the first fiscal quarter, which always begins on January 1, and the fourth fiscal quarter, which always ends on December 31.

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

+ References + Details

Summary of Significant Accounting Policies (Policies)	12 Months Ended
Summary of Significant Accounting Policies (Policies)	Dec. 31, 2011
Summary of Significant Accounting Policies [Abstract]
Use of Estimates	Use of Estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States (“GAAP”) requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ significantly from those estimates.
Principles of Consolidation	Principles of Consolidation The consolidated financial statements include the accounts of Vishay and all of its subsidiaries in which a controlling financial interest is maintained. For those consolidated subsidiaries in which the Company’s ownership is less than 100 percent, the outside stockholders’ interests are shown as noncontrolling interest in the accompanying consolidated balance sheets. Investments in affiliates over which the Company has significant influence but not a controlling interest are carried on the equity basis. Investments in affiliates over which the Company does not have significant influence are accounted for by the cost method. All intercompany transactions, accounts, and profits are eliminated.
Subsequent Events	Subsequent Events In connection with the preparation of the consolidated financial statements and in accordance with GAAP, the Company evaluated subsequent events after the balance sheet date of December 31, 2011 through the date these financial statements were issued through the filing of this annual report on Form 10-K with the U.S. Securities and Exchange Commission.
Revenue Recognition	Revenue Recognition The Company recognizes revenue on product sales during the period when the sales process is complete. This generally occurs when products are shipped to the customer in accordance with terms of an agreement of sale, title and risk of loss have been transferred, collectibility is reasonably assured, and pricing is fixed or determinable. For a small percentage of sales where title and risk of loss passes at point of delivery, the Company recognizes revenue upon delivery to the customer, assuming all other criteria for revenue recognition are met. The Company historically has had agreements with distributors that provided limited rights of product return. The Company has modified these arrangements to allow distributors a limited credit for unsaleable products, which it terms a “scrap allowance.” Consistent with industry practice, the Company also has a “stock, ship and debit” program whereby it considers requests by distributors for credits on previously purchased products that remain in distributors’ inventory, to enable the distributors to offer more competitive pricing. In addition, the Company has contractual arrangements whereby it provides distributors with protection against price reductions initiated by the Company after product is sold by the Company to the distributor and prior to resale by the distributor. The Company records a reduction of revenue during each period, and records a related accrued expense for the period, based upon its estimate of product returns, scrap allowances, “stock, ship and debit” credits, and price protection credits that will be attributable to sales recorded through the end of the period. The Company makes these estimates based upon sales levels to its distributors during the period, inventory levels at the distributors, current and projected market conditions, and historical experience under the programs. While the Company utilizes a number of different methodologies to estimate the accruals, all of the methodologies take into account sales levels to distributors during the relevant period, inventory levels at the distributors, current and projected market trends and conditions, recent and historical activity under the relevant programs, changes in program policies, and open requests for credits. These procedures require the exercise of significant judgments. The Company believes that it has a reasonable basis to estimate future credits under the programs. Royalty revenues, included in net revenues on the consolidated statements of operations, were $6,633, $5,781 and $5,710 for the years ended December 31, 2011, 2010, and 2009, respectively. The Company records royalty revenue in accordance with agreed upon terms when performance obligations are satisfied, the amount is fixed or determinable, and collectibility is reasonably assured. Vishay earns royalties at the point of sale of products which incorporate licensed intellectual property. Accordingly, the amount of royalties recognized is determined based on periodic reporting to Vishay by its licensees, and based on judgments and estimates by Vishay management, which management considers reasonable.
Shipping and Handling Costs	Shipping and Handling Costs Shipping and handling costs are included in costs of products sold.
Research and Development Expenses	Research and Development Expenses Research and development costs are expensed as incurred. The amount charged to expense for research and development (exclusive of purchased in-process research and development) aggregated $55,809, $50,968, and $50,745, for the years ended December 31, 2011, 2010, and 2009, respectively. The Company spends additional amounts for the development of machinery and equipment for new processes and for cost reduction measures.
Grants	Grants Government grants received by certain subsidiaries, primarily in Israel, are recognized as income in accordance with the purpose of the specific contract and in the period in which the related expense is incurred. Grants recognized as a reduction of costs of products sold were $483, $543, and $688 for the years ended December 31, 2011, 2010, and 2009, respectively. Deferred grant income included in other liabilities on the consolidated balance sheets was $2,185 and $2,788 at December 31, 2011 and 2010, respectively. The grants are subject to certain conditions, including maintaining specified levels of employment for periods up to ten years. Noncompliance with such conditions could result in the repayment of grants. However, management expects that the Company will comply with all terms and conditions of the grants.
Income Taxes	Income Taxes The provision for income taxes is determined using the asset and liability approach of accounting for income taxes. Under this approach, deferred taxes represent the future tax consequences expected to occur when the reported amounts of assets and liabilities are recovered or paid. The provision for income taxes represents income taxes paid or payable for the current year plus the change in deferred taxes during the year. Deferred taxes result from differences between the financial and tax bases of the Company’s assets and liabilities and are adjusted for changes in tax rates and tax laws when changes are enacted. Valuation allowances have been established for deferred tax assets which the Company believes do not meet GAAP criteria of “more likely than not.” This criterion requires a level of judgment regarding future taxable income, which may be revised due to changes in market conditions, tax laws, or other factors. If the Company’s assumptions and estimates change in the future, valuation allowances established may be increased, resulting in increased tax expense. Conversely, if the Company is ultimately able to utilize all or a portion of the deferred tax assets for which a valuation allowance has been established, then the related portion of the valuation allowance can be released, resulting in decreased tax expense. At the present time, substantially all earnings generated by foreign subsidiaries are expected to be reinvested outside of the United States indefinitely. Accordingly, no provision has been made for U.S. federal and state income taxes on these foreign earnings. Upon distribution of those earnings in the form of dividends or otherwise, the Company would be subject to U.S. income taxes (subject to an adjustment for foreign tax credits), state income taxes, incremental foreign income taxes, and withholding taxes payable to the various foreign countries.
Cash, Cash Equivalents, and Short-Term Investments	Cash, Cash Equivalents, and Short-Term Investments Cash and cash equivalents includes demand deposits and highly liquid investments with maturities of three months or less when purchased. Highly liquid investments with original maturities greater than three months, but less than one year are classified as short-term investments.
Allowance for Doubtful Accounts	Allowance for Doubtful Accounts The Company maintains an allowance for doubtful accounts for estimated losses resulting from the inability of its customers to make required payments. The allowance is determined through an analysis of the aging of accounts receivable and assessments of risk that are based on historical trends and an evaluation of the impact of current and projected economic conditions. The Company evaluates the past-due status of its trade receivables based on contractual terms of sale. If the financial condition of the Company’s customers were to deteriorate, resulting in an impairment of their ability to make payments, additional allowances may be required. Bad debt expense (income realized upon subsequent collection) was $(93), $(838), and $5,669 for the years ended December 31, 2011, 2010, and 2009, respectively.
Inventories	Inventories Inventories are stated at the lower of cost, determined by the first-in, first-out method, or market. Inventories are adjusted for estimated obsolescence and written down to net realizable value based upon estimates of future demand, technology developments, and market conditions.
Property and Equipment	Property and Equipment Property and equipment is carried at cost and is depreciated principally by the straight-line method based upon the estimated useful lives of the assets. Machinery and equipment are being depreciated over useful lives of seven to ten years. Buildings and building improvements are being depreciated over useful lives of twenty to forty years. Construction in progress is not depreciated until the assets are placed in service. The estimated cost to complete construction in progress at December 31, 2011 was approximately $22,715. Depreciation of capital lease assets is included in total depreciation expense. Depreciation expense was $165,022, $169,724, and $206,009 for the years ended December 31, 2011, 2010, and 2009, respectively. Gains and losses on the disposal of assets which do not qualify for presentation as discontinued operations are included in the determination of operating margin (within selling, general, and administrative expenses). Individually material gains and losses on disposal are separately disclosed in the notes to the consolidated financial statements.
Goodwill and Other Intangible Assets	Goodwill and Other Intangible Assets Goodwill and indefinite-lived intangible assets are not amortized but rather are tested for impairment at least annually. The required annual impairment tests of goodwill and indefinite-lived intangible assets are completed as of the first day of the fourth fiscal quarter of each year. These tests are performed more frequently whenever events or changes in circumstances indicate that the assets might be impaired. Certain of the Company’s tradenames have been assigned indefinite useful lives. Definite-lived intangible assets are amortized over their estimated useful lives. Patents and acquired technology are being amortized over useful lives of seven to twenty-five years. Capitalized software is amortized over periods of three to ten years, primarily included in costs of products sold on the consolidated statements of operations. Customer relationships are amortized over useful lives of five to seventeen years. Noncompete agreements are amortized over periods of four to ten years. The Company continually evaluates the reasonableness of the useful lives of these assets. GAAP prescribes a two-step method for determining goodwill impairment. In the first step, the Company determines the fair value of the reporting unit and compares that fair value to the net book value of the reporting unit. The fair value of the reporting unit is determined using various valuation techniques, including a comparable companies market multiple approach and a discounted cash flow analysis (an income approach). If the net book value of the reporting unit were to exceed the fair value, the Company would then perform the second step of the impairment test, which requires allocation of the reporting unit’s fair value to all of its assets and liabilities in a manner similar to a purchase price allocation, with any residual fair value being allocated to goodwill. An impairment charge will be recognized only when the implied fair value of a reporting unit’s goodwill is less than its carrying amount. The fair value of the tradenames is measured as the discounted cash flow savings realized from owning such tradenames and not having to pay a royalty for their use. There was no impairment identified through the annual impairment tests completed in 2011, 2010, or 2009. Upon determining that an intangible asset classified as indefinite-lived is impaired, the Company reassesses the useful life of the impaired assets and begins to amortize the remaining carrying value over that useful life if it is determined that the asset no longer has an indefinite useful life.
Impairment of Long-Lived Assets	Impairment of Long-Lived Assets The carrying value of long-lived assets held-and-used, other than goodwill and indefinite-lived intangible assets, is evaluated when events or changes in circumstances indicate the carrying value may not be recoverable or the useful life has changed. The carrying value of a long-lived asset group is considered impaired when the total projected undiscounted cash flows from such asset group are separately identifiable and are less than the carrying value. In that event, a loss is recognized based on the amount by which the carrying value exceeds the fair market value of the long-lived asset group. Fair market value is determined primarily using present value techniques based on projected cash flows from the asset group. Losses on long-lived assets held-for-sale, other than goodwill and indefinite-lived intangible assets, are determined in a similar manner, except that fair market values are reduced for disposal costs.
Available-for-Sale Securities	Available-for-Sale Securities Other assets include investments in marketable securities which are classified as available-for-sale. These assets include assets that are held in trust related to the Company’s non-qualified pension and deferred compensation plans (see Note 11) and assets that are intended to fund a portion of the Company’s other postretirement benefit obligations outside of the U.S. These assets are reported at fair value, based on quoted market prices as of the end of the reporting period. Unrealized gains and losses are reported, net of their related tax consequences, as a component of accumulated other comprehensive income in stockholders’ equity until sold. At the time of sale the assets that are held in trust related to the Company’s non-qualified pension and deferred compensation plans, any gains (losses) calculated by the specific identification method are recognized as a reduction (increase) to benefits expense, within selling, general, and administrative expenses.
Financial Instruments	Financial Instruments The Company uses financial instruments in the normal course of its business, including from time to time, derivative financial instruments. Additionally, from time to time, the Company enters into contracts that are not considered derivative financial instruments in their entirety, but that include embedded derivative features. The convertible senior debentures due 2040 and due 2041 contain embedded derivatives that are recorded at fair value on a recurring basis. At December 31, 2011 and 2010, outstanding derivative instruments were not material. The Company reports derivative instruments on the consolidated balance sheet at their fair values. The accounting for changes in fair value depends upon the purpose of the derivative instrument and whether it is designated and qualifies for hedge accounting. For instruments designated as hedges, the effective portion of gains or losses is reported in other comprehensive income (loss) and the ineffective portion, if any, is reported in current period net earnings (loss). Changes in the fair values of derivative instruments that are not designated as hedges, including embedded derivatives, are recorded in current period net earnings (loss). The Company has in the past used interest rate swap agreements to modify variable rate obligations to fixed rate obligations, thereby reducing exposure to market rate fluctuations. The Company has also in the past used financial instruments such as forward exchange contracts to hedge a portion, but not all, of its firm commitments denominated in foreign currencies. The purpose of the Company’s foreign currency management is to minimize the effect of exchange rate changes on actual cash flows from foreign currency denominated transactions. Other financial instruments include cash and cash equivalents, short-term investments, accounts receivable, and notes payable. The carrying amounts of these financial instruments reported in the consolidated balance sheets approximate their fair values due to the short-term nature of these assets and liabilities.
Foreign Currency Translation	Foreign Currency Translation The Company has significant operations outside of the United States. The Company finances its operations in Europe and certain locations in Asia in local currencies, and accordingly, these subsidiaries utilize the local currency as their functional currency. The Company’s operations in Israel and most significant locations in Asia are largely financed in U.S. dollars, and accordingly, these subsidiaries utilize the U.S. dollar as their functional currency. For those subsidiaries where the local currency is the functional currency, assets and liabilities in the consolidated balance sheets have been translated at the rate of exchange as of the balance sheet date. Translation adjustments do not impact the consolidated results of operations and are reported as a separate component of stockholders’ equity. Revenues and expenses are translated at the average exchange rate for the year. While the translation of revenues and expenses into U.S. dollars does not directly impact the statement of operations, the translation effectively increases or decreases the U.S. dollar equivalent of revenues generated and expenses incurred in those foreign currencies. For those foreign subsidiaries where the U.S. dollar is the functional currency, all foreign currency financial statement amounts are remeasured into U.S. dollars. Exchange gains and losses arising from remeasurement of foreign currency-denominated monetary assets and liabilities are included in the consolidated results of operations.
Stock-Based Compensation	Stock-Based Compensation Compensation costs related to stock-based payment transactions are recognized in the consolidated financial statements. The amount of compensation cost is measured based on the grant-date fair value of the equity (or liability) instruments issued. Compensation cost is recognized over the period that an officer, employee, or non-employee director provides service in exchange for the award. For options and restricted stock units subject to graded vesting, the Company recognizes expense over the service period for each separately vesting portion of the award as if the award was, in-substance, multiple awards.
Commitments and Contingencies	Commitments and Contingencies Liabilities for loss contingencies, including environmental remediation costs, arising from claims, assessments, litigation, fines, penalties, and other sources are recorded when it is probable that a liability has been incurred and the amount of the assessment and/or remediation can be reasonably estimated. The costs for a specific environmental remediation site are discounted if the aggregate amount of the obligation and the amount and timing of the cash payments for that site are fixed or reliably determinable based upon information derived from the remediation plan for that site. Accrued liabilities for environmental matters recorded at December 31, 2011 and 2010 do not include claims against third parties.
Self-Insurance Programs	Self-Insurance Programs The Company uses a combination of insurance and self-insurance mechanisms to provide for the potential liabilities for workers’ compensation, general liability, property damage, director and officers’ liability, and vehicle liability. As part of its self-insurance program for certain risks, the Company created a wholly-owned captive insurance entity in 2007. At December 31, 2011, the captive insurance entity provides only property and general liability insurance, although it is licensed to also provide casualty and directors and officers’ insurance. The captive insurance entity had no amounts accrued for outstanding claims at December 31, 2011 and 2010. Certain cash and investments held by the captive insurance entity are restricted primarily for the purpose of potential insurance claims. Restricted cash of $7,637 and $8,987 is included in other noncurrent assets at December 31, 2011 and 2010, respectively, representing required statutory reserves of the captive insurance entity.
Convertible Debentures	Convertible Debentures The Company separately accounts for the liability and equity components of convertible debt instruments that may be settled in cash in a manner that reflects the Company’s nonconvertible debt borrowing rate. The liability component at issuance is recognized at fair value, based on the fair value of a similar instrument that does not have a conversion feature. A discount is recorded if debentures are issued at a coupon rate which is below the rate of a similar instrument that did not have a conversion feature at issuance. The equity component is based on the excess of the principal amount of the debentures over the fair value of the liability component, after adjusting for an allocation of debt issuance costs and the deferred tax impact, and is recorded as capital in excess of par. Debt discounts are amortized as additional non-cash interest expense over the expected life of the debt.
Reclassifications	Reclassifications Certain prior year amounts have been reclassified to conform to the current financial statement presentation.

Earnings Per Share (Policies)	12 Months Ended
Earnings Per Share (Policies)	Dec. 31, 2011
Earnings Per Share [Abstract]
Method adopted in the diluted earnings per share computation	<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In periods in which they are dilutive, if the potential common shares related to the exchangeable notes are included in the computation, the related interest savings, net of tax, assuming conversion/exchange is added to the net earnings used to compute earnings per share.</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br /></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The Company’s convertible debt instruments are only convertible upon the occurrence of certain events. While none of these events has occurred as of December 31, 2011, certain conditions which could trigger conversion have been deemed to be non-substantive, and accordingly, the Company has always assumed the conversion of these instruments in its diluted earnings per share computation during periods in which they are dilutive.</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br /></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">At the direction of its Board of Directors, the Company intends, upon conversion, to repay the principal amount of the convertible senior debentures, due 2040 and due 2041, in cash and settle any additional amounts in shares of Vishay common stock. Accordingly, the debentures are included in the diluted earnings per share computation using the “treasury stock method” (similar to options and warrants) rather than the “if converted method” otherwise required for convertible debt. Under the “treasury stock method,” Vishay calculates the number of shares issuable under the terms of the notes based on the average market price of Vishay common stock during the period, and that number is included in the total diluted shares figure for the period. If the average market price is less than $13.88, no shares are included in the diluted earnings per share computation for the convertible senior debentures due 2040, and if the average market price is less than $19.02, no shares are included in the diluted earnings per share computation for the convertible senior debentures due 2041.</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br /></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">As described in Note 6, the Company purchased 99.6% of the outstanding convertible subordinated notes due 2023 pursuant to the option of the holders to require the Company to repurchase their notes on August 1, 2008. The remaining notes, with an aggregate principal amount of $1,870, were redeemed at Vishay’s option on August 1, 2010.</font></div>

Fair Value Measurements (Policies)	12 Months Ended
Fair Value Measurements (Policies)	Dec. 31, 2011
Fair Value Measurements [Abstract]
Fair Value of Financial Instruments, Policy	The fair value measurement accounting guidance establishes a valuation hierarchy of the inputs used to measure fair value. This hierarchy prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels: Level 1: Observable inputs such as quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2: Inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active. Level 3: Unobservable inputs that reflect the Company’s own assumptions. An asset or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Goodwill and Other Intangible Assets [Abstract]

Other Intangible Assets

Other intangible assets are as follows:


	December 31,
	2011			2010

Intangible Assets Subject to Amortization
(Definite-lived):
Patents and acquired technology	$	111,428		$	111,637
Capitalized software		53,721			51,087
Customer relationships		57,723			52,863
Tradenames		36,762			36,375
Non-competition agreements		1,000			-
		260,634			251,962
Accumulated amortization:
Patents and acquired technology		(89,379	)		(83,493	)
Capitalized software		(47,836	)		(43,583	)
Customer relationships		(26,174	)		(21,081	)
Tradenames		(13,615	)		(10,334	)
Non-competition agreements		(62	)		-
		(177,066	)		(158,491	)
Net Intangible Assets Subject to Amortization		83,568			93,471

Intangible Assets Not Subject to Amortization
(Indefinite-lived):
Tradenames		20,359			20,359
	$	103,927		$	113,830

Estimated annual amortization expense for each of the next five years

Estimated annual amortization expense of intangible assets on the balance sheet at December 31, 2011 for each of the next five years is as follows:

2012	$12,595
2013	12,492
2014	12,492
2015	12,492
2016	10,765

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Components of income (loss) from continuing operations before taxes and noncontrolling interest

Income (loss) from continuing operations before taxes and noncontrolling interests consists of the following components:

	Years ended December 31,
	2011		2010		2009

Domestic	$	2,143	$	32,493	$	(54,041	)
Foreign		328,973		373,040		14,326
	$	331,116	$	405,533	$	(39,715	)

Components of income taxes

Significant components of income taxes are as follows:

	Years ended December 31,
	2011			2010			2009

Current:
Federal	$	10,968		$	9,823		$	817
State and local		(801	)		2,434			505
Foreign		66,844			59,459			28,435
		77,011			71,716			29,757
Deferred:
Federal		6,188			(949	)		(6,332	)
State and local		(2,286	)		2,108			286
Foreign		10,206			(27,635	)		(6,911	)
		14,108			(26,476	)		(12,957	)
Total income tax expense	$	91,119		$	45,240		$	16,800

Deferred tax assets and liabilities

	December 31,
	2011			2010
Deferred tax assets:
Pension and other retiree obligations	$	48,810		$	44,054
Inventories		10,711			11,346
Net operating loss carryforwards		106,621			158,264
Tax credit carryforwards		11,225			11,871
Other accruals and reserves		40,494			53,369
Total gross deferred tax assets		217,861			278,904
Less valuation allowance		(102,863	)		(145,201	)
		114,998			133,703
Deferred tax liabilities:
Tax over book depreciation		(16,208	)		(20,425	)
Earnings not permanently reinvested		(25,960	)		(39,074	)
Convertible debentures		(105,830	)		(64,440	)
Other - net		(2,515	)		(2,572	)
Total gross deferred tax liabilities		(150,513	)		(126,511	)

Net deferred tax assets (liabilities)	$	(35,515	)	$	7,192

Federal statutory income tax rate reconciliation

A reconciliation of income tax expense at the U.S. federal statutory income tax rate to actual income tax provision is as follows:

	Years ended December 31,
	2011			2010			2009
Tax at statutory rate	$	115,891		$	141,937		$	(13,900	)
State income taxes, net of U.S. federal tax benefit		(2,005	)		2,952			513
Effect of foreign operations		(52,609	)		(69,034	)		14,731
Unrecognized tax benefits		4,869			(1,823	)		1,395
Change in valuation allowance on U.S. deferred tax asset		-			(36,229	)		-
Change in valuation allowance on non-U.S. deferred tax assets		(5,554	)		(21,671	)		715
Tax benefit of operating loss carryforwards		(1,588	)		(8,799	)		(2,158	)
Foreign income taxable in the U.S.		22,822			31,294			976
Tax on foreign dividends paid to the U.S.		15,453			1,417			-
U.S. foreign tax credits		(12,322	)		-			-
Effect of statutory rate changes on deferred tax assets		9,040			1,128			1,995
Settlement agreement gain		-			-			(9,868	)
Non-deductible expenses related to VPG spin-off		-			1,945			1,265
Executive employment agreement charges		173			222			20,238
Other		(3,051	)		1,901			898
Total income tax expense	$	91,119		$	45,240		$	16,800

Net operating loss carryforwards

At December 31, 2011, the Company had the following significant net operating loss carryforwards for tax purposes:

		Expires
Austria	$7,876	No expiration
Belgium	184,610	No expiration
Brazil	19,674	No expiration
Germany	46,098	No expiration
Israel	128,425	No expiration
Netherlands	42,791	2012 - 2019

Summary of significant tax credit carryforwards available

At December 31, 2011, the Company had the following significant tax credit carryforwards available:

		Expires
U.S. alternative minimum tax	$4,696	No expiration
U.S. foreign tax credit	1,198	2020
California research credit	6,834	No expiration

Unrecognized tax benefits

The following table summarizes changes in the liabilities associated with unrecognized tax benefits:

	Years ended December 31,
	2011			2010			2009

Balance at beginning of year	$	54,285		$	54,463		$	47,778
Addition based on tax positions related to the current year		2,459			1,916			2,491
Addition based on tax positions related to prior years		10,918			3,090			4,684
Currency translation adjustments		(922	)		451			417
Reduction based on tax positions related to prior years		(3,293	)		(670	)		-
Reduction for settlements		(9,604	)		(3,289	)		(737	)
Reduction for lapses of statute of limitation		(35	)		(1,676	)		(170	)
Balance at end of year	$	53,808		$	54,285		$	54,463

- Definition

Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions.

+ References + Details

- Definition

Tabular disclosure of tax credit carryforwards available to reduce future taxable income, including amounts, expiration dates, limitations on use and the related deferred tax assets and valuation allowances.

+ References + Details

Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2011

Long-Term Debt [Abstract]

Schedule of long-term debt instruments

Long-term debt consists of the following:

	December 31, 2011		December 31, 2010

Credit facility	$	155,000	$	240,000
Exchangeable unsecured notes, due 2102		95,042		95,042
Convertible senior debentures, due 2040		98,463		96,640
Convertible senior debentures, due 2041		50,549		-
		399,054		431,682
Less current portion		-		-
	$	399,054	$	431,682

Liability and equity components of convertible debt due 2040

The carrying values of the liability and equity components of the convertible debentures due 2040 are reflected in the Company’s consolidated balance sheets as follows:

	December 31, 2011			December 31, 2010
Liability component:
Principal amount of the debentures	$	275,000		$	275,000
Unamortized discount		(177,131	)		(178,679	)
Embedded derivative		594			319
Carrying value of liability component	$	98,463		$	96,640

Equity component - net carrying value	$	110,094		$	110,094

Convertible debt due 2040, interest expense

Interest expense related to the convertible debentures due 2040 is reflected on the consolidated statements of operations as follows:

	Years ended December 31,
	2011		2010
Contractual coupon interest	$	6,188	$	773
Non-cash amortization of debt discount		1,548		188
Non-cash amortization of deferred financing costs		88		11
Non-cash change in value of derivative liability		275		(55	)
Total interest expense related to the debentures	$	8,099	$	917

Aggregate annual maturities of long-term debt

Aggregate annual maturities of long-term debt, based on the terms stated in the respective agreements, are as follows:

2011	$	-
2012		-
2013		-
2014		-
2015		155,000
Thereafter		520,042

Liability and equity components of convertible debt due 2041.

The carrying values of the liability and equity components of the convertible debentures due 2041 are reflected in the Company’s consolidated balance sheet as follows:

	December 31, 2011
Liability component:
Principal amount of the debentures	$	150,000
Unamortized discount		(99,843	)
Embedded derivative		392
Carrying value of liability component	$	50,549

Equity component - net carrying value	$	62,246

Convertible debt due 2041, interest expense

Interest expense related to the convertible debentures due 2041 is reflected on the consolidated statements of operations as follows:

	Year ended
	December 31, 2011
Contractual coupon interest	$	2,128
Non-cash amortization of debt discount		498
Non-cash amortization of deferred financing costs		29
Non-cash change in value of derivative liability		181
Total interest expense related to the debentures	$	2,836

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

+ Details

Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

Stockholders' Equity [Abstract]

Shares of common stock reserved for future issuance

At December 31, 2011, the Company had reserved shares of common stock for future issuance as follows:

Common stock options outstanding			384,000
Restricted stock units outstanding			891,000
2007 Stock Incentive Program - available to grant			1,534,000
Phantom stock units outstanding			87,000
Phantom stock units available to grant			95,000
Common stock warrants			8,823,529
Exchangeable unsecured notes, due 2102			6,176,471
Convertible senior debentures, due 2040*			22,285,258
Convertible senior debentures, due 2041*			8,870,490
Conversion of Class B common stock			13,452,549
			62,599,297

- Definition

Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 30
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 5
-Section 02
-Paragraph 29

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 150
-Paragraph 9
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=6403732&loc=d3e21300-112643

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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Subparagraph (SX 210.5-02.28,29)
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Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802392&loc=d3e177068-122764

+ Details

Other Income (Expense) (Tables)

12 Months Ended

Dec. 31, 2011

Other Income (Expense) [Abstract]

Summary of other Income (expense)

The caption “Other” on the consolidated statements of operations consists of the following:

	Years ended December 31,
	2011			2010			2009

Foreign exchange gain (loss)	$	(8,249	)	$	(2,792	)	$	5,039
Interest income		10,386			2,888			3,917
Loss on early extinguishment of debt		-			(1,659	)		-
Sale of investments		1,396			-			-
Other		259			194			835
	$	3,792		$	(1,369	)	$	9,791

Other Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2011

Other Accrued Expenses (Tables) [Abstract]

Summary of other accrued expenses

Other accrued expenses consist of the following:

	December 31,
	2011		2010

Restructuring	$	1,940	$	4,731
Sales returns and allowances		36,943		38,761
Goods received, not yet invoiced		37,573		44,405
Other		84,663		98,152
	$	161,119	$	186,049

Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2011

Accumulated Other Comprehensive Income (Loss) [Abstract]

Summary of components of other comprehensive income

The cumulative balance of each component of other comprehensive income (loss) and the income tax effects allocated to each component are as follows:

	Beginning Balance			Before-Tax Amount			Tax Effect			Net-of-Tax Amount			VPG Spin-off		Ending Balance

December 31, 2009
Pension and other post-retirement actuarial items	$	(122,182	)	$	6,231		$	(832	)	$	5,399		$	-	$	(116,783	)
Reclassification adjustment for recognition of actuarial items					10,831			42			10,873			-		10,873
Currency translation adjustment		198,261			10,080			-			10,080			-		208,341
Unrealized gain (loss) on available-for-sale securities		(110	)		1,006			(352	)		654			-		544
	$	75,969		$	28,148		$	(1,142	)	$	27,006		$	-	$	102,975

December 31, 2010
Pension and other post-retirement actuarial items	$	(105,910	)	$	(30,213	)	$	4,494		$	(25,719	)	$	1,079	$	(130,550	)
Reclassification adjustment for recognition of actuarial items					10,498			62			10,560			-		10,560
Currency translation adjustment		208,341			(41,930	)		-			(41,930	)		12,924		179,335
Unrealized gain (loss) on available-for-sale securities		544			927			(325	)		602			-		1,146
	$	102,975		$	(60,718	)	$	4,231		$	(56,487	)	$	14,003	$	60,491

December 31, 2011
Pension and other post-retirement actuarial items	$	(119,990	)	$	(54,053	)	$	16,975		$	(37,078	)	$	-	$	(157,068	)
Reclassification adjustment for recognition of actuarial items					12,192			(4,321	)		7,871			-		7,871
Currency translation adjustment		179,335			(26,441	)		-			(26,441	)		-		152,894
Unrealized gain (loss) on available-for-sale securities		1,146			(1,639	)		574			(1,065	)		-		81
	$	60,491		$	(69,941	)	$	13,228		$	(56,713	)	$	-	$	3,778

Pensions and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Pensions and Other Postretirement Benefits [Abstract]

Retirement Plan amounts recorded on consolidated balance sheets

The following table summarizes amounts recorded on the consolidated balance sheets associated with these various retirement benefit plans:

	December 31,
	2011			2010

Included in "Other Assets":
Non-U.S. pension plans	$	802		$	1,741
Total included in other assets	$	802		$	1,741
Accrued pension and other postretirement costs:
U.S. pension plans	$	(83,482	)	$	(65,090	)
Non-U.S. pension plans		(209,224	)		(201,150	)
U.S. other postretirement plans		(10,924	)		(10,633	)
Non-U.S. other postretirement plans		(5,972	)		(5,801	)
Other retirement obligations		(9,534	)		(8,443	)
Total accrued pension and other postretirement costs	$	(319,136	)	$	(291,117	)
Accumulated other comprehensive loss:
U.S. pension plans	$	135,009		$	108,239
Non-U.S. pension plans		41,494			28,454
U.S. other postretirement plans		(4,142	)		(5,516	)
Total accumulated other comprehensive loss*	$	172,361		$	131,177

* - Amounts included in accumulated other comprehensive loss are presented in this table pre-tax.

Reconciliation of benefit obligation, plan assets, an funded status

The following table sets forth a reconciliation of the benefit obligation, plan assets, and funded status related to U.S. and non-U.S. pension plans:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Change in benefit obligation:
Benefit obligation at beginning of year	$	303,613		$	231,870		$	289,430		$	231,416
Service cost		-			3,197			-			3,027
Interest cost		16,332			10,366			16,341			10,774
Plan amendments		-			531			8,777			163
Spin-off of VPG		-			-			(1,255	)		(13,882	)
Actuarial (gains) losses		20,320			14,986			7,379			20,899
Benefits paid		(17,738	)		(12,764	)		(17,059	)		(10,991	)
Currency translation		-			(4,220	)		-			(9,536	)
Benefit obligation at end of year	$	322,527		$	243,966		$	303,613		$	231,870

Change in plan assets:
Fair value of plan assets at beginning of year	$	238,523		$	32,461		$	216,641		$	34,762
Actual return on plan assets		1,117			830			26,116			2,376
Spin-off of VPG		-			-			-			(8,939	)
Company contributions		17,143			15,325			12,825			14,427
Benefits paid		(17,738	)		(12,763	)		(17,059	)		(10,991	)
Currency translation		-			(309	)		-			826
Fair value of plan assets at end of year	$	239,045		$	35,544		$	238,523		$	32,461

Funded status at end of year	$	(83,482	)	$	(208,422	)	$	(65,090	)	$	(199,409

The following table sets forth a reconciliation of the benefit obligation, plan assets, and accrued benefit cost related to U.S. and non-U.S. non-pension defined benefit postretirement plans:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Change in benefit obligation:
Benefit obligation at beginning of year	$	10,633		$	5,801		$	13,617		$	5,841
Service cost		77			275			95			255
Interest cost		547			282			640			291
Spin-off of VPG		-			-			(2,493	)		-
Actuarial (gains) losses		675			341			(148	)		778
Benefits paid		(1,008	)		(618	)		(1,078	)		(854	)
Currency translation		-			(109	)		-			(510	)
Benefit obligation at end of year	$	10,924		$	5,972		$	10,633		$	5,801

Fair value of plan assets at end of year	$	-		$	-		$	-		$	-

Funded status at end of year	$	(10,924	)	$	(5,972	)	$	(10,633	)	$	(5,801	)

Amounts recognized in consolidated balance sheet

Amounts recognized in the consolidated balance sheet consist of the following:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Other assets	$	-		$	802		$	-		$	1,741
Accrued benefit liability		(83,482	)		(209,224	)		(65,090	)		(201,150	)
Accumulated other comprehensive loss		135,009			41,494			108,239			28,454
	$	51,527		$	(166,928	)	$	43,149		$	(170,955	)

Amounts recognized in the consolidated balance sheet consist of the following:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Accrued benefit liability	$	(10,924	)	$	(5,972	)	$	(10,633	)	$	(5,801	)
Accumulated other comprehensive income		(4,142	)		-			(5,516	)		-
	$	(15,066	)	$	(5,972	)	$	(16,149	)	$	(5,801	)

Components of actuarial items

Actuarial items consist of the following:

	December 31, 2011				December 31, 2010
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
Unrecognized net actuarial loss	$	130,608	$	41,494	$	101,236	$	28,454
Unamortized prior service cost		4,401		-		7,003		-
	$	135,009	$	41,494	$	108,239	$	28,454

Actuarial items consist of the following:

	December 31, 2011					December 31, 2010
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
Unrecognized net actuarial gain	$	(2,309	)	$	-	$	(3,299	)	$	-
Unamortized prior service (credit) cost		(1,865	)		-		(2,296	)		-
Unrecognized net transition obligation		32			-		79			-
	$	(4,142	)	$	-	$	(5,516	)	$	-

Projected and accumulated benefit obligations

The following table sets forth additional information regarding the projected and accumulated benefit obligations:

	December 31, 2011				December 31, 2010
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
Accumulated benefit obligation, all plans	$	322,527	$	225,381	$	303,613	$	213,893

Plans for which the accumulated benefit obligation exceeds plan assets:
Projected benefit obligation	$	322,527	$	236,323	$	303,613	$	225,291
Accumulated benefit obligation		322,527		221,637		303,613		210,786
Fair value of plan assets		239,045		27,098		238,523		24,178

Components of the net periodic benefit costs

The following table sets forth the components of net periodic pension cost:

	Years ended December 31,
	2011						2010						2009
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Service cost net of employee contributions	$	-		$	3,197		$	-		$	3,027		$	-		$	2,991
Interest cost		16,332			10,366			16,341			10,774			16,745			11,174
Expected return on plan assets		(19,082	)		(1,651	)		(18,098	)		(1,629	)		(14,955	)		(1,689	)
Amortization of actuarial losses		9,006			993			9,315			160			11,300			70
Amortization of prior service cost		2,361			531			1,477			163			34			94
Curtailment and settlement losses (gains)		148			-			-			-			-			405
Net periodic benefit cost	$	8,765		$	13,436		$	9,035		$	12,495		$	13,124		$	13,045

The following table sets forth the components of net periodic benefit cost:

	Years ended December 31,
	2011					2010					2009
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
Service cost	$	77		$	275	$	95		$	255	$	113		$	330
Interest cost		547			282		640			291		810			391
Amortization of actuarial gains		(315	)		-		(244	)		-		(300	)		-
Amortization of prior service credit		(431	)		-		(434	)		-		(441	)		-
Amortization of transition obligation		47			-		61			-		74			-
Net periodic benefit cost	$	(75	)	$	557	$	118		$	546	$	256		$	721

Weighted average assumptions used

The following weighted average assumptions were used to determine benefit obligations at December 31 of the respective years:

	2011						2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Discount rate		5.00	%		3.96	%		5.50	%		4.50	%
Rate of compensation increase		0.00	%		2.31	%		0.00	%		2.19	%

The following weighted average assumptions were used to determine the net periodic pension costs for the years ended December 31, 2011 and 2010:

	Years ended December 31,
	2011						2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Discount rate		5.50	%		4.50	%		5.75	%		5.19	%
Rate of compensation increase		0.00	%		2.19	%		0.00	%		2.34	%
Expected return on plan assets		8.00	%		4.26	%		8.50	%		4.89	%

The following weighted average assumptions were used to determine benefit obligations at December 31 of the respective years:

	2011						2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Discount rate		5.00	%		5.09	%		5.50	%		4.80	%
Rate of compensation increase		0.00	%		3.22	%		0.00	%		3.00	%

The following weighted average assumptions were used to determine the net periodic benefit costs for the years ended December 31, 2011 and 2010:

	Years ended December 31,
	2011						2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Discount rate		5.50	%		4.80	%		5.75	%		5.50	%
Rate of compensation increase		0.00	%		3.00	%		0.00	%		3.46	%

Allocation of plan assets

Plan assets are comprised of:

	December 31, 2011						December 31, 2010
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Equity securities		61	%		19	%		63	%		24	%
Fixed income securities		39	%		29	%		36	%		26	%
Cash and cash equivalents		0	%		52	%		1	%		50	%
Total		100	%		100	%		100	%		100	%

Estimated future benefit payments

Estimated future benefit payments are as follows:

	U.S. Plans	Non-U.S. Plans
	U.S. Plans	Non-U.S. Plans
2012	$18,121	$11,524
2013	18,592	12,984
2014	25,359	14,026
2015	20,737	12,950
2016	21,096	13,522
2017-2021	106,408	77,915

Estimated future benefit payments are as follows:

	U.S. Plans	Non-U.S. Plans
	U.S. Plans	Non-U.S. Plans
2012	$1,024	$581
2013	1,018	221
2014	1,010	331
2015	1,012	376
2016	1,000	509
2017-2021	4,369	3,090

Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of recognized stock-based compensation expense

The following table summarizes share-based compensation expense recognized:

	Years ended December 31,
	2011			2010		2009

Stock options	$	(83	)	$	619	$	827
Restricted stock units		6,693			1,849		869
Phantom stock units		222			175		74
Total	$	6,832		$	2,643	$	1,770

Schedule of unrecognized compensation cost, nonvested awards

The following table summarizes unrecognized compensation cost and the weighted average remaining amortization periods at December 31, 2011 (amortization periods in years):


	Unrecognized Compensation Cost

			Weighted Average Remaining Amortization Periods

Stock options	$	92		1.1
Restricted stock units		4,313		1.5
Phantom stock units		-		0.0
Total	$	4,405

Schedule of share based compensation, stock options, activity

The following table summarizes the Company’s stock option activity (number of options in thousands):

	Years ended December 31,
	2011					2010					2009
				Weighted Average Exercise Price					Weighted Average Exercise Price					Weighted Average Exercise Price
	Number of Options					Number of Options					Number of Options


Outstanding:
Beginning of year		1,254		$	15.04		2,728		$	19.84		3,904		$	18.55
Granted		-			-		-			-		-			-
Exercised		(651	)		14.87		-			-		-			-
Cancelled or forfeited		(219	)		14.92		(1,733	)		20.35		(1,176	)		15.55
Adjustment due to VPG spin-off*		-			-		259			-		-			-
End of year*		384		$	15.40		1,254		$	15.04		2,728		$	19.84

Vested and expected to vest*		384					1,254					2,728

Exercisable:
End of year*		323					1,001					2,400

Stock options outstanding and exercisable summarized by ranges of exercise prices

The following table summarizes information concerning stock options outstanding and exercisable at December 31, 2011 (number of options in thousands, contractual life in years):

	Options Outstanding			Options Exercisable
		Weighted Average Remaining Contractual Life
			Weighted Average Exercise Price		Weighted Average Exercise Price

	Number of Options			Number of Options
Exercise Price	Number of Options			Number of Options

$7.89	22	0.67	$7.89	22	$7.89
$11.54 - $14.33	53	3.18	13.31	43	13.42
$16.29	309	1.67	16.29	258	16.29
Total	384	1.82	$15.40	323	$15.34

Unvested stock options

The following table summarizes information concerning unvested stock options (number of options in thousands):

	Years ended December 31,
	2011					2010					2009
				Weighted Average Grant-date Fair Value					Weighted Average Grant-date Fair Value					Weighted Average Grant-date Fair Value
	Number of Options					Number of Options					Number of Options


Unvested:
Beginning of year		253		$	9.33		328		$	9.93		447		$	9.64
Granted		-			-		-			-		-			-
Vested		(192	)		9.13		(81	)		9.24		(93	)		8.96
Forfeited		-			-		(19	)		7.95		(26	)		8.47
Adjustment due to VPG spin-off*		-			-		25			-		-			-
End of year*		61		$	9.96		253		$	9.33		328		$	9.93

Restricted Stock Units Activity

RSU activity for the years ended December 31, 2011, 2010, and 2009 is presented below (number of RSUs in thousands):

	Years ended December 31,
	2011					2010					2009
				Weighted Average Grant-date Fair Value					Weighted Average Grant-date Fair Value					Weighted Average Grant-date Fair Value
	Number of RSUs					Number of RSUs					Number of RSUs


Outstanding:
Beginning of year		634		$	9.61		155		$	9.14		197		$	9.88
Granted		423			16.57		509			10.87		36			5.20
Vested		(154	)		11.25		(76	)		9.68		(78	)		9.20
Cancelled or forfeited		(12	)		13.26		(14	)		8.83		-			-
Adjustment due to VPG spin-off*		-			-		60			-		-			-
End of year*		891		$	12.58		634		$	9.61		155		$	9.14

Summary of recognized stock-based compensation expense

RSUs with performance-based vesting criteria are expected to vest as follows (number of RSUs in thousands):

			Vesting Date		Number of RSUs
			January 1, 2013		324
			January 1, 2014		233

Phantom stock units activity under the 2007 Program as of December 31, 2011

The following table summarizes the Company’s phantom stock units activity for the years ended December 31, 2011, 2010, and 2009 (number of phantom stock units in thousands):

	Years ended December 31,
	2011					2010					2009
	Number of Phantom Stock Units			Grant- date Fair Value per Unit		Number of Phantom Stock Units			Grant- date Fair Value per Unit		Number of Phantom Stock Units		Number of Phantom Stock Units



Outstanding:
Beginning of year		116					120					100
Granted		15		$	14.78		20		$	8.76		20	$	3.70
Redeemed for common stock		(44	)				(39	)				-
Adjustment due to VPG spin-off		-					15					-
End of year		87					116					120

Available for future grants		95					110					145

Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies [Abstract]

Future minimum lease payments for operating leases

Future minimum lease payments for operating leases with initial or remaining noncancelable lease terms in excess of one year are as follows:

	2012		$23,565
	2013		18,272
	2014		14,970
	2015		11,960
	2016		10,318
	Thereafter		17,989

Estimated purchase commitments under 2008 Tower agreement

Management estimates its purchase commitments under the Tower agreement as follows:

	2012		$22,569
	2013		7,106
	2014		6,890
	2015		6,890

- Definition

Tabular disclosure of unconditional purchase obligations that are not recognized as a liability on the balance sheet, including the nature and significant terms of an unconditional purchase obligation; the amount of the fixed and determinable portion of the obligation as of the date of the latest balance sheet presented in the aggregate and, if determinable, for each of the five succeeding fiscal years; the nature of any variable components of the obligation; the amount purchased under the obligation (for example, the take-or-pay or throughput contract) for the reporting period; and may include the amount of imputed interest necessary to reduce the obligation to present value.

+ References + Details

Current Vulnerability Due To Certain Concentrations (Tables)

12 Months Ended

Dec. 31, 2011

Current Vulnerability Due to Certain Concentrations [Abstract]

Current Vulnerability Due to Certain Concentrations

As of December 31, 2011, the following financial institutions held over 10% of the Company’s combined cash and cash equivalents and short-term investments balance:


Bank Leumi*	21.5	%
UniCredit	14.4	%
KBC*	13.4	%
JP Morgan Chase*	11.9	%

___________________________________________________

*Participant in Credit Facility

As of December 31, 2011 the Company’s cash and cash equivalents and short-term investments were concentrated in the following countries:

Israel	29.9	%
Germany	28.0	%
United States	12.4	%
Singapore	8.9	%
People's Republic of China	6.1	%
Other Europe	7.8	%
Other Asia	6.3	%
Other	0.6	%

- Definition

Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.

+ References + Details

Segment and Geographic Data (Tables)

12 Months Ended

Dec. 31, 2011

Segment and Geographic Data [Abstract]

Segment reporting information

The following tables set forth business segment information:

	MOSFETs		Diodes		Optoelectronic Components		Resistors & Inductors			Capacitors		Vishay Precision Group		Corporate / Other		Total
Year ended December 31, 2011:
Product sales	$	537,783	$	607,493	$	229,814	$	634,490		$	577,816	$	-	$	-	$	2,587,396
Royalty revenues		197		-		72		6,364			-		-		-	$	6,633
Total revenue	$	537,980	$	607,493	$	229,886	$	640,854		$	577,816	$	-	$	-	$	2,594,029

Gross Margin	$	125,498	$	143,876	$	74,772	$	213,997		$	161,843	$	-	$	-	$	719,986

Depreciation expense	$	53,808	$	39,577	$	12,384	$	32,039		$	25,979	$	-	$	1,235	$	165,022
Interest expense (income)		12		-		-		223			223		-		18,819	$	19,277
Capital expenditures		61,520		39,444		15,442		28,751			19,676		-		3,808	$	168,641

Total Assets as of December 31, 2011:	$	646,660	$	682,017	$	163,486	$	609,556		$	672,049	$	-	$	219,962	$	2,993,730

Year ended December 31, 2010:
Product sales	$	626,498	$	596,354	$	226,402	$	622,819		$	546,149	$	101,089	$	-	$	2,719,311
Royalty revenues		200		-		96		5,485			-		-		-	$	5,781
Total revenue	$	626,698	$	596,354	$	226,498	$	628,304		$	546,149	$	101,089	$	-	$	2,725,092

Gross Margin	$	189,209	$	138,308	$	75,804	$	222,785		$	144,349	$	37,030	$	-	$	807,485

Depreciation expense	$	51,865	$	39,035	$	12,282	$	30,142		$	31,551	$	3,391	$	1,458	$	169,724
Interest expense (income)		-		-		-		933			762		33		9,308	$	11,036
Capital expenditures		55,457		30,879		13,066		27,874			17,132		918		87	$	145,413

Total Assets as of December 31, 2010:	$	745,641	$	685,490	$	163,584	$	602,466		$	652,742	$	-	$	116,170	$	2,966,093

Year ended December 31, 2009:
Product sales	$	427,110	$	410,415	$	167,317	$	438,600		$	420,890	$	171,991	$	-	$	2,036,323
Royalty revenues		71		-		13		5,626			-		-		-	$	5,710
Total revenue	$	427,181	$	410,415	$	167,330	$	444,226		$	420,890	$	171,991	$	-	$	2,042,033

Gross Margin	$	57,280	$	51,361	$	37,180	$	109,093		$	80,533	$	52,714	$	-	$	388,161

Depreciation expense	$	58,762	$	38,638	$	14,757	$	38,392		$	46,684	$	8,446	$	330	$	206,009
Interest expense (income)		23		93		172		(27	)		934		69		9,057	$	10,321
Capital expenditures		10,309		12,474		3,453		11,126			10,567		2,181		230	$	50,340

Total Assets as of December 31, 2009:	$	566,952	$	522,080	$	132,065	$	572,076		$	668,271	$	209,779	$	48,323	$	2,719,546

Operating margin reconciliation

	Years ended December 31,
	2011			2010			2009
Operating margin reconciliation:
MOSFETs	$	85,336		$	152,794		$	25,434
Diodes		118,111			115,168			31,275
Optoelectronic Components		60,492			64,088			24,441
Resistors & Inductors		185,327			195,730			85,406
Capacitors		136,901			121,714			60,480
Vishay Precision Group		-			18,949			22,510
Unallocated Selling, General, and Administrative Expenses		(233,804	)		(250,505	)		(220,547	)
Restructuring and severance Costs		-			-			(37,874	)
Asset write-downs		-			-			(681	)
Settlement agreement gain		-			-			28,195
Executive compensation charges		(5,762	)		-			(57,824	)
Consolidated Operating Income (Loss)	$	346,601		$	417,938		$	(39,185	)

Restructuring and severance costs:
MOSFETs	$	-	$	-	$	8,017
Diodes		-		-		4,707
Optoelectronic Components		-		-		2,755
Resistors & Inductors		-		-		9,374
Capacitors		-		-		5,353
Vishay Precision Group		-		-		2,048
Unallocated Selling, General, and Administrative Expenses		-		-		5,620
	$	-	$	-	$	37,874

Asset write-downs:
Diodes		$	-			$	-			$	681

Revenues and property and equipment based on geographic area

The following table summarizes net revenues based on revenues generated by subsidiaries located within the identified geographic area:

	Years ended December 31,
	2011		2010		2009

United States	$	363,847	$	345,267	$	312,262
Germany		801,539		726,235		544,364
Other Europe		175,639		217,099		195,212
Israel		219,037		292,025		212,483
Asia		1,033,967		1,144,466		777,712
	$	2,594,029	$	2,725,092	$	2,042,033

The following table summarizes property and equipment based on physical location:

	December 31,
	2011		2010

United States	$	136,159	$	141,309
Germany		125,905		128,549
Czech Republic		53,126		58,545
Other Europe		97,212		96,313
Israel		125,885		121,070
People's Republic of China		178,877		181,043
Republic of China (Taiwan)		117,450		117,513
Other Asia		71,677		66,093
Other		1,614		1,679
	$	907,905	$	912,114

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References + Details

Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted earnings per share attributable to Vishay stockholders (shares in thousands):

	Years ended December 31,
	2011		2010		2009

Numerator:
Numerator for basic earnings (loss) per share:
Net earnings (loss)	$	238,821	$	359,106	$	(57,188	)

Adjustment to the numerator for continuing operations and net earnings (loss):

Interest savings assuming conversion of dilutive convertible and exchangeable notes, net of tax		189		257		-

Numerator for diluted earnings (loss) per share:
Net earnings (loss)	$	239,010	$	359,363	$	(57,188	)

Denominator:
Denominator for basic earnings (loss) per share:
Weighted average shares		160,094		183,618		186,605

Effect of dilutive securities:
Convertible and exchangeable debt instruments		7,820		6,313		-
Employee stock options		106		10		-
Other		494		286		-
Dilutive potential common shares		8,420		6,609		-

Denominator for diluted earnings (loss) per share:
Adjusted weighted average shares		168,514		190,227		186,605


Basic earnings (loss) per share attributable to Vishay stockholders	$	1.49	$	1.96	$	(0.31	)

Diluted earnings (loss) per share attributable to Vishay stockholders	$	1.42	$	1.89	$	(0.31	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Diluted earnings per share for the years presented do not reflect the following weighted average potential common shares, as the effect would be antidilutive (in thousands):

	Years ended December 31,
	2011		2010		2009
Convertible and exchangeable notes:
Convertible Senior Debentures, due 2040		9,905		-		-
Convertible Senior Debentures, due 2041		5,026		-		-
Convertible Subordinated Notes, due 2023		-		51		87
Exchangeable Unsecured Notes, due 2102		-		-		6,176
Weighted average employee stock options		182		2,243		3,615
Weighted average warrants		8,824		8,824		8,824
Weighted average other		123		35		294

Additional Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2011

Additional Cash Flow Information [Abstract]

Changes in operating assets and liabilities

Changes in operating assets and liabilities, net of effects of businesses acquired consists of the following:

	Years ended December 31,
	2011			2010			2009

Accounts receivable	$	61,918		$	(89,261	)	$	29,055
Inventories		(13,829	)		(54,358	)		79,415
Prepaid expenses and other current assets		(14,273	)		(22,637	)		43,549
Accounts payable		(11,468	)		59,568			12,838
Other current liabilities		(74,851	)		108,418			(56,107	)
Net change in operating assets and liabilities	$	(52,503	)	$	1,730		$	108,750

Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011

Fair Value Measurements [Abstract]

Schedule of fair Value, Assets and Liabilities Measured on Recurring basis

The following table provides the financial assets and liabilities carried at fair value measured on a recurring basis as of December 31, 2011 and 2010:

	Total Fair Value
	Total Fair Value	Level 1	Level 2	Level 3
December 31, 2011
Assets:
Assets held in rabbi trusts	$31,698	$20,569	$11,129	$-
Available for sale securities	$6,776	6,776	-	-
U.S. Defined Benefit Pension Plan Assets:
Equity securities	$138,379	138,379	-	-
Fixed income securities	$93,842	40,606	53,236	-
Real Estate Investment Trust securities	$6,486	6,486	-	-
Cash and cash equivalents	$338	338	-	-
Non - U.S. Defined Benefit Pension Plan Assets:
Equity securities	$6,815	6,815	-	-
Fixed income securities	$10,173	10,173	-	-
Cash and cash equivalents	$18,556	18,556	-	-
	$313,063	$248,698	$64,365	$-
Liabilities:
Embedded derivative - convertible debentures due 2040	$(594)	-	-	(594)
Embedded derivative - convertible debentures due 2041	$(392)	-	-	(392)
	$(986)	$-	$-	$(986)

December 31, 2010
Assets:
Assets held in rabbi trusts	$25,585	$15,575	$10,010	$-
Available for sale securities	$5,736	5,736	-	-
U.S. Defined Benefit Pension Plan Assets:
Equity securities	$142,808	142,808	-	-
Fixed income securities	$87,233	39,063	48,170	-
Real Estate Investment Trust securities	$6,339	6,339	-	-
Cash and cash equivalents	$2,143	2,143	-	-
Non - U.S. Defined Benefit Pension Plan Assets:
Equity securities	$7,751	7,751	-	-
Fixed income securities	$8,538	8,538	-	-
Cash and cash equivalents	$16,172	16,172	-	-
	$302,305	$244,125	$58,180	$-
Liability:
Embedded derivative - convertible debentures due 2040	$(319)	-	-	(319)

Summary of Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Summary of Quarterly Financial Information (Unaudited) [Abstract]

Quarterly Financial Information

	2011											2010
	First			Second			Third			Fourth		First		Second		Third		Fourth
Statement of Operations data:
Net revenues	$	695,151		$	709,838		$	637,649		$	551,391	$	640,460	$	701,655	$	694,365	$	688,612
Gross profit		214,663			212,190			167,477			125,656		167,013		210,593		218,378		211,501
Operating income (loss)		122,198			115,505			75,333			33,565		65,125		101,327		130,903		120,583
Net earnings (loss)		75,607			82,496			50,692			31,202		45,639		76,965		90,152		147,537
Net earnings (loss) attributable to
noncontrolling interests		320			401			205			250		219		306		353		309
Net earnings (loss) attributable to
Vishay stockholders		75,287			82,095			50,487			30,952		45,420		76,659		89,799		147,228

Per Share data:
Basic earnings (loss) per share
attributable to Vishay stockholders (a)	$	0.46		$	0.51		$	0.32		$	0.20	$	0.24	$	0.41	$	0.48	$	0.84

Diluted earnings (loss) per share
attributable to Vishay stockholders (a)	$	0.43		$	0.48		$	0.31		$	0.19	$	0.24	$	0.40	$	0.47	$	0.81

Certain Items Recorded during the Quarters:
Operating income (loss):
Executive compensation charge	$	-		$	(3,889	)	$	(1,873	)	$	-	$	-	$	-	$	-	$	-

One time tax benefit (expense)	$	(10,024	)	$	-		$	-		$	6,538	$	-	$	-	$	-	$	59,484

Quarter end date (b)	April 2			July 2			Oct. 1			Dec. 31		April 3		July 3		Oct. 2		Dec. 31

(a) May not add due to differences in weighted average share counts.

Summary of Significant Accounting Policies (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2011 USD ($) Y	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)
Summary of Significant Accounting Policies [Abstract]
Minimum ownership of entities that do not have a non-controlling interest (in hundredths)	100.00%
Royalty revenues \| $	$ 6,633	$ 5,781	$ 5,710
Research and development expense \| $	55,809	50,968	50,745
Grants recognized as reduction of cost of products sold \| $	483	543	688
Deferred grant income \| $	$ 2,185	2,788
Number of years maintaining employment levels per grants conditions (in years)	10Y
Minimum number of months until maturity from original purchase date for a highly liquid investment to be considered a short-term investment (in months)	3M
Bad debt expense \| $	$ (93)	(838)	5,669
Property, Plant and Equipment [Line Items]
Estimated cost to complete construction in progress \| $	22,715
Depreciation expense \| $	165,022	169,724	$ 206,009
Finite-Lived Intangible Assets [Line Items]
Cash and investments restricted for potential insurance claims \| $	$ 7,637	$ 8,987
Recently Adopted Accounting Guidance	<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Times New Roman">Recently Adopted Accounting Guidance</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br /></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In January 2010, the Financial Accounting Standards Board (“FASB”) updated the accounting guidance related to fair value measurements disclosures. The updated guidance (i) requires separate disclosure of significant transfers in and out of Levels 1 and 2 fair value measurements, (ii) requires disclosure of Level 3 fair value measurements activity on a gross basis, (iii) clarifies existing disaggregation requirements, (iv) and clarifies existing input and valuation technique disclosure requirements. The updated guidance was effective for the Company for interim and annual periods beginning after January 1, 2010, except for the Level 3 fair value measurement disclosure requirements, which are effective for fiscal years beginning after January 1, 2011. Vishay adopted the then-effective aspects of the guidance on January 1, 2010 and adopted the remaining guidance on January 1, 2011. The adoption of the guidance had no effect on the Company’s financial position, results of operations, or liquidity.</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br /></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In June 2011, the FASB issued ASU No. 2011-5, <font style="DISPLAY: inline; FONT-STYLE: italic">Comprehensive Income</font> <font style="DISPLAY: inline; FONT-STYLE: italic">(Topic 220), Presentation of Comprehensive Income</font>. The ASU requires that all non-owner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate, but consecutive statements. Vishay early adopted the ASU for its annual period ending December 31, 2011. The adoption of the ASU had no effect on the Company’s financial position, results of operations, or liquidity.</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br /></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In December 2011, the FASB issued ASU No. 2011-12, <font style="DISPLAY: inline; FONT-STYLE: italic">Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05.</font> The ASU defers the requirement in ASU No. 2011-5 <font style="DISPLAY: inline; FONT-SIZE: 10pt">t</font>o present on the face of the financial statements the effects of reclassifications out of accumulated other comprehensive income on the components of net income and other comprehensive income. Vishay early adopted the ASU for its annual period ending December 31, 2011. The adoption of the ASU had no effect on the Company’s financial position, results of operations, or liquidity.</font></div>
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum (in years)	7.0
Property, Plant and Equipment, Useful Life, Maximum (in years)	10.0
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum (in years)	20.0
Property, Plant and Equipment, Useful Life, Maximum (in years)	40.0
Patents and Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life, Minimum (in years)	7.0
Finite-Lived Intangible Assets, Useful Life, Maximum (in years)	25.0
Capitalized Software [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life, Minimum (in years)	3.0
Finite-Lived Intangible Assets, Useful Life, Maximum (in years)	10.0
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life, Minimum (in years)	5.0
Finite-Lived Intangible Assets, Useful Life, Maximum (in years)	17.0
Non-competition Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life, Minimum (in years)	4.0
Finite-Lived Intangible Assets, Useful Life, Maximum (in years)	10.0

Acquisition and Divestiture Activities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2008	Oct. 02, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2007
Sale of Automotive Modules and Subsystems Business
Impairment charge included in loss before income taxes						$ 681
Duration of term loan (in years)		3Y
Term loan issued in connection with business acquisitions		$ 15,000
Goodwill related to acquisitions				$ 9,051	$ 0
Business Acquisitions
Acquisition of business, net of cash acquired				19,335	0	(28,195)
Settlement agreement gain				0	0	28,195
VPG [Member]
Spin-off of Vishay Precision Group, Inc.
Bonuses received by certain executive officers					$ 2,100
VPG [Member] \| Common Stock [Member]
Spin-off of Vishay Precision Group, Inc.
Exchange Ratio Under Spin-Off					1 share of VPG common stock for every 14 shares of Vishay common stock
VPG [Member] \| Class B Convertible Common Stock [Member]
Spin-off of Vishay Precision Group, Inc.
Exchange Ratio Under Spin-Off					1 share of VPG Class B common stock for every 14 shares of Vishay Class B common stock
ASBU [Member]
Sale of Automotive Modules and Subsystems Business
Additional after tax loss recorded subsequent to resolution of net working capital adjustment	$ 5,690
Huntington Electric Inc. [Member]
Business Acquisitions
Acquisition of business, net of cash acquired				$ 19,335
HiRel Systems [Member]
Business Acquisitions
Acquisition of business, net of cash acquired			$ 85,000
International Rectifier Corporation Tender Offer [Member]
Business Acquisitions
Acquisition of business, net of cash acquired							$ 285,600
Refund of purchase price associated with acquisition of PCS business						$ 30,000

Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Goodwill [Abstract]
Goodwill impairment				$ 1,696,174
Goodwill acquired during period	$ 9,051
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	260,634	$ 251,962
Accumulated amortization	(177,066)	(158,491)
Net Intangible Assets Subject to Amortization	83,568	93,471
Intangible Assets Not Subject to Amortization (Indefinite-lived)	20,359	20,359
Intangible assets, net	103,927	113,830
Intangible assets transferred to VPG		15,371
Amortization expense (excluding capitalized software)	14,684	19,817	$ 22,731
Finite Lived Intangible Assets Future Amortization Expense [Abstract]
2012	12,595
2013	12,492
2014	12,492
2015	12,492
2016	10,765
VPG [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense (excluding capitalized software)		1,466	$ 3,019
Patents and Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	111,428	111,637
Accumulated amortization	(89,379)	(83,493)
Capitalized Software [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	53,721	51,087
Accumulated amortization	(47,836)	(43,583)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	57,723	52,863
Accumulated amortization	(26,174)	(21,081)
Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	36,762	36,375
Accumulated amortization	(13,615)	(10,334)
Non-competition Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	1,000	0
Accumulated amortization	$ (62)	$ 0

Restructuring and Severance Costs and Related Asset Write-Downs (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2009 USD ($)
Restructuring and Severance Costs and Related Asset Write-Downs [Abstract]
Restructuring and severance costs	$ 37,874
Employee termination costs	$ 33,142
Number of positions eliminated	2,571
Other exit costs	$ 4,732
Asset write-downs	$ 681

- Definition

The charge against earnings in the period, comprised of costs incurred associated with an exit or disposal activity other than for a discontinued operations as defined under generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References + Details

- Definition

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS146-1
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5-8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 112
-Paragraph 7
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 146
-Paragraph 8-13, 20
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.P.3)
-URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140864-122747

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(10)
-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

+ Details

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 31, 2010	Oct. 02, 2010	Jul. 04, 2010	Apr. 03, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Income (loss) from continuing operations before taxes and noncontrolling interests [Abstract]
Domestic									$ 2,143	$ 32,493	$ (54,041)
Foreign									328,973	373,040	14,326
Income (loss) before taxes									331,116	405,533	(39,715)
Current income tax expense:
Federal									10,968	9,823	817
State and local									(801)	2,434	505
Foreign									66,844	59,459	28,435
Total current income tax expense									77,011	71,716	29,757
Deferred income tax expense:
Federal									6,188	(949)	(6,332)
State and local									(2,286)	2,108	286
Foreign	$ 6,538	$ 0	$ 0	$ (10,024)	$ 59,484	$ 0	$ 0	$ 0	10,206	(27,635)	(6,911)
Total deferred income tax expense									14,108	(26,476)	(12,957)
Total income tax expense									91,119	45,240	16,800
Deferred tax assets:
Pension and other retiree obligations	48,810				44,054				48,810	44,054
Inventories	10,711				11,346				10,711	11,346
Net operating loss carryforwards	106,621				158,264				106,621	158,264
Tax credit carryforwards	11,225				11,871				11,225	11,871
Other accruals and reserves	40,494				53,369				40,494	53,369
Total gross deferred tax assets	217,861				278,904				217,861	278,904
Less valuation allowance	(102,863)				(145,201)				(102,863)	(145,201)
Deferred tax assets, net	114,998				133,703				114,998	133,703
Deferred tax liabilities:
Tax over book depreciation	(16,208)				(20,425)				(16,208)	(20,425)
Earnings not permanently reinvested	(25,960)				(39,074)				(25,960)	(39,074)
Convertible debentures	(105,830)				(64,440)				(105,830)	(64,440)
Other - net	(2,515)				(2,572)				(2,515)	(2,572)
Total gross deferred tax liabilities	(150,513)				(126,511)				(150,513)	(126,511)
Net deferred tax assets	(35,515)				7,192				(35,515)	7,192
Reconciliation of income tax expense at federal statutory rate to actual income tax provision [Abstract]
Tax at statutory rate									115,891	141,937	(13,900)
State income taxes, net of U.S. federal tax benefit									(2,005)	2,952	513
Effect of foreign operations									(52,609)	(69,034)	14,731
Unrecognized tax benefits									4,869	(1,823)	1,395
Tax benefit of operating loss carryforwards									(1,588)	(8,799)	(2,158)
Foreign income taxable in the U.S.									22,822	31,294	976
Tax on foreign dividends paid to U.S.									15,453	1,417	0
U.S. foreign tax credits									(12,322)	0	0
Effect of statutory rate changes on deferred tax assets									9,040	1,128	1,995
Settlement agreement gain									0	0	(9,868)
Non-deductible expenses related to VPG spin-off									0	1,945	1,265
Executive employment agreement charge									173	222	20,238
Other									(3,051)	1,901	898
Total income tax expense									91,119	45,240	16,800
Net operating loss carryforwards [Abstract]
Tax benefit recognized through a reduction of acquisition-date valuation allowances recorded as a reduction of tax expense									4,299	567	980
Income tax uncertainties [Abstract]
Additional expected repatriation									72,110			$ 112,500
Net income taxes paid (refunded)									126,918	23,322	(4,714)
Company accrued interest and penalties related to the unrecognized tax benefits	5,764				2,962				5,764	2,962
Company recognized interest and penalties.									3,795	1,081	1,139
Unrecognized tax benefits [Roll Forward]
Balance at beginning of year				$ 54,285				$ 54,463	54,285	54,463	47,778
Addition based on tax positions related to the current year									2,459	1,916	2,491
Addition based on tax positions related to prior years									10,918	3,090	4,684
Currency translation adjustments									(922)	451	417
Reduction based on tax positions related to prior years									(3,293)	(670)	0
Reduction for settlements									(9,604)	(3,289)	(737)
Reduction for lapses of statute of limitation									(35)	(1,676)	(170)
Balance at end of year	53,808				$ 54,285				53,808	54,285	54,463	$ 47,778
AUSTRIA [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	7,876								$ 7,876
Expiration date									No expiration
BELGIUM [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	184,610								$ 184,610
Expiration date									No expiration
BRAZIL [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	19,674								$ 19,674
Expiration date									No expiration
Germany [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	46,098								$ 46,098
Expiration date									No expiration
Israel [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	128,425								$ 128,425
Expiration date									No expiration
NETHERLANDS [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	42,791								$ 42,791
Expiration date									2012 - 2019
Tax benefit recognized through a reduction of acquisition-date valuation allowances recorded as a reduction of tax expense									$ 16,495
U.S. Deferred Tax Asset [Member]
Reconciliation of income tax expense at federal statutory rate to actual income tax provision [Abstract]
Change in valuation allowance on deferred tax asset									0	(36,229)	0
Israeli Deferred Tax Asset [Member]
Reconciliation of income tax expense at federal statutory rate to actual income tax provision [Abstract]
Change in valuation allowance on deferred tax asset									$ (5,554)	(21,671)	$ 715
Federal Alternative Minimum Tax [Member]
Available tax credit carryforwards [Abstract]
Expires									No expiration
Tax Credit Carryforward	4,696								$ 4,696
California Research Credit [Member]
Available tax credit carryforwards [Abstract]
Expires									No expiration
Tax Credit Carryforward	6,834								$ 6,834
U.S. Foreign Tax Credit [Member]
Available tax credit carryforwards [Abstract]
Expires									2020
Tax Credit Carryforward	1,198								$ 1,198
Investments in Foreign Subsidiaries and Foreign Corporate Joint Ventures that are Essentially Permanent in Duration [Member]
Income tax uncertainties [Abstract]
Foreign earnings without provision for US Tax	2,493,797								2,493,797
BCcomponents acquisition [Member] \| BELGIUM [Member]
Net operating loss carryforwards [Abstract]
Net operating loss carryforward	$ 69,144								69,144
Valuation allowances									$ 23,502	$ 44,790

Long-Term Debt (Details) - USD ($)	12 Months Ended
Long-Term Debt (Details) - USD ($)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Debt Instrument [Line Items]
Long-term debt	$ 399,054,000	$ 431,682,000
Less current portion	0	0
Long-term debt, less current portion	399,054,000	431,682,000
Credit Facility
Amount outstanding	286,995,000	210,000,000
Maximum borrowing capacity	$ 450,000,000
Expiration date	December 1, 2015
Maximum incremental revolving commitments	$ 100,000,000
Debt repayments	$ 85,000,000
Basis spread on variable rate (in hundredths)	1.65%
Commitment fees (in hundredths)	0.35%
Covenant terms	<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">On September 8, 2011, Vishay entered into an amendment to the Credit Facility. The amendment effectively permits up to $300,000 of additional share repurchases, conditioned upon Vishay maintaining (i) a pro forma leverage ratio of 2.75 to 1.00, (ii) a pro forma interest expense coverage ratio of 2.00 to 1.00, and (iii) $400,000 of available liquidity, as defined in the amendment. The amount and timing of any future stock repurchases remains subject to authorization of Vishay’s Board of Directors. Other significant terms and conditions of the Credit Facility have not changed.</font></div>
Threshold for judgements which would represent an event of default	<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">On September 8, 2011, Vishay entered into an amendment to the Credit Facility. The amendment effectively permits up to $300,000 of additional share repurchases, conditioned upon Vishay maintaining (i) a pro forma leverage ratio of 2.75 to 1.00, (ii) a pro forma interest expense coverage ratio of 2.00 to 1.00, and (iii) $400,000 of available liquidity, as defined in the amendment. The amount and timing of any future stock repurchases remains subject to authorization of Vishay’s Board of Directors. Other significant terms and conditions of the Credit Facility have not changed.</font></div>
Letters of credit outstanding	$ 8,005,000
Committed and uncommitted short-term credit lines	$ 15,500,000	$ 33,300,000
Debt Instruments [Abstract]
Common stock, shares repurchased (in shares)	8,620,689	21,721,959
Interest expense related to debentures [Abstract]
Non-cash amortization of debt discount	$ 2,046,000	$ 188,000	$ 0
Israeli bank loan repayment		13,500,000
Aggregate annual maturities of long-term debt [Abstract]
2011	0
2012	0
2013	0
2014	0
2015	155,000,000
Thereafter	520,042,000
Interest paid	14,084,000	9,120,000	10,243,000
Credit Facility [Member]
Debt Instrument [Line Items]
Long-term debt	155,000,000	240,000,000
Credit Facility
Term loan principal repayments		90,000,000	25,000,000
Exchangeable Unsecured Notes, Due 2102 [Member]
Debt Instrument [Line Items]
Long-term debt	95,042,000	95,042,000
Debt Instruments [Abstract]
Principal amount of debt	105,000,000
Liability and equity components of convertible debentures [Abstract]
Principal amount of the debentures	$ 105,000,000
Interest expense related to debentures [Abstract]
Debt instrument, conversion price amount (in dollars per share)	$ 15.39
Number of shares of common stock the Notes are exchangeable into (in shares)	6,176,471
Convertible Subordinated Notes, due 2023 [Member]
Debt Instruments [Abstract]
Principal amount of debt			500,000,000
Liability and equity components of convertible debentures [Abstract]
Principal amount of the debentures			$ 500,000,000
Stated rate of interest on debt (in hundredths)			3.625%
Interest expense related to debentures [Abstract]
Percentage of note holders exercising option to require the company to repurchase their notes (in hundredths)				99.60%
Extinguishment of debt		1,870,000
Convertible Senior Debentures, Due 2040 [Member]
Debt Instrument [Line Items]
Long-term debt	$ 98,463,000	$ 96,640,000
Debt Instruments [Abstract]
Convertible senior debentures issuance date		November 9, 2010
Principal amount of debt	275,000,000	$ 275,000,000
Liability and equity components of convertible debentures [Abstract]
Principal amount of the debentures	275,000,000	275,000,000
Unamortized discount	(177,131,000)	(178,679,000)
Embedded derivative	594,000	319,000
Carrying value of liability component	98,463,000	96,640,000
Equity component - net carrying value	$ 110,094,000	$ 110,094,000
Stated rate of interest on debt (in hundredths)		2.25%
Effective rate of interest on convertible senior debentures (in hundredths)	8.00%
Interest expense related to debentures [Abstract]
Contractual coupon interest	$ 6,188,000	$ 773,000
Non-cash amortization of debt discount	1,548,000	188,000
Non-cash amortization of deferred financing costs	88,000	11,000
Non-cash change in value of derivative liability	275,000	(55,000)
Total interest expense related to the debentures	$ 8,099,000	917,000
Debt instrument percentage of conversion price (in hundredths)	130.00%
Debt instrument, conversion price amount (in dollars per share)	$ 18.04
Debt instrument, Percentage of sale price of common stock (in hundredths)	98.00%
Debt instrument, initial conversion shares of common stock (shares per $1000 principal)	72.0331
Debt instrument, principal amount of debentures	$ 1,000
Debt instrument, initial conversion price (in dollars per share)	$ 13.88
Debt instrument, percentage of initial conversion price premium (in hundredths)	12.50%
Convertible Senior Debentures, Due 2041 [Member]
Debt Instrument [Line Items]
Long-term debt	$ 50,549,000	$ 0
Debt Instruments [Abstract]
Convertible senior debentures issuance date	May 13, 2011
Principal amount of debt	$ 150,000,000
Liability and equity components of convertible debentures [Abstract]
Principal amount of the debentures	150,000,000
Unamortized discount	(99,843,000)
Embedded derivative	392,000
Carrying value of liability component	50,549,000
Equity component - net carrying value	$ 62,246,000
Stated rate of interest on debt (in hundredths)	2.25%
Effective rate of interest on convertible senior debentures (in hundredths)	8.375%
Interest expense related to debentures [Abstract]
Contractual coupon interest	$ 2,128,000
Non-cash amortization of debt discount	498,000
Non-cash amortization of deferred financing costs	29,000
Non-cash change in value of derivative liability	181,000
Total interest expense related to the debentures	$ 2,836,000
Debt instrument percentage of conversion price (in hundredths)	130.00%
Debt instrument, conversion price amount (in dollars per share)	$ 24.73
Debt instrument, Percentage of sale price of common stock (in hundredths)	98.00%
Debt instrument, initial conversion shares of common stock (shares per $1000 principal)	52.5659
Debt instrument, principal amount of debentures	$ 1,000
Debt instrument, initial conversion price (in dollars per share)	$ 19.02
Debt instrument, percentage of initial conversion price premium (in hundredths)	12.50%

Stockholders' Equity (Details) $ in Thousands	12 Months Ended
Stockholders' Equity (Details) $ in Thousands	Dec. 31, 2011 USD ($) $ / shares shares	Dec. 31, 2010 USD ($) shares
Class of Stock [Line Items]
Company authorized the repurchase of common stock \| $	$ 300,000
Common stock shares repurchased (in shares)	8,620,689	21,721,959
Warrants issued	8,823,529
Warrant exercise price decrease (in hundredths)		9.48%
Shares reserved (in shares)	62,599,297
Class B Convertible Common Stock [Member]
Class of Stock [Line Items]
Voting rights per share	10
Common Stock [Member]
Class of Stock [Line Items]
Voting rights per share	1
Common stock options outstanding [Member]
Class of Stock [Line Items]
Shares reserved (in shares)	384,000
Restricted stock units outstanding [Member]
Class of Stock [Line Items]
Shares reserved (in shares)	891,000
Available to grant 2007 Stock Incentive Program - [Member]
Class of Stock [Line Items]
Shares reserved (in shares)	1,534,000
Phantom stock units outstanding [Member]
Class of Stock [Line Items]
Shares reserved (in shares)	87,000
Phantom stock units available to grant [Member]
Class of Stock [Line Items]
Shares reserved (in shares)	95,000
Common stock warrants [Member]
Class of Stock [Line Items]
Shares reserved (in shares)	8,823,529
Common stock warrants [Member] \| Exercise Price $18.10 [Member]
Class of Stock [Line Items]
Warrants issued	7,000,000
Exercise price (in dollars per share) \| $ / shares	18.10
Common stock warrants [Member] \| Exercise Price $27.43 [Member]
Class of Stock [Line Items]
Warrants issued	1,823,529
Exercise price (in dollars per share) \| $ / shares	27.43
Exchangeable Unsecured Notes, Due 2102 [Member]
Class of Stock [Line Items]
Shares reserved (in shares)	6,176,471
Convertible Senior Debentures, Due 2040 [Member]
Class of Stock [Line Items]
Aggregate cost of common stock repurchased \| $		$ 275,000
Shares reserved (in shares)	22,285,258
Number of shares debentures are convertible into (in shares)	19,809,103
Convertible Senior Debentures, Due 2041 [Member]
Class of Stock [Line Items]
Shares reserved (in shares)	8,870,490
Number of shares debentures are convertible into (in shares)	7,884,885
Conversion of Class B common stock [Member]
Class of Stock [Line Items]
Shares reserved (in shares)	13,452,549

Other Income (Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
Other Income (Expense) (Details) - USD ($) $ in Thousands	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Other Income (Expense) [Abstract]
Foreign exchange gain (loss)	$ (8,249)	$ (2,792)	$ 5,039
Interest income	10,386	2,888	3,917
Loss on early extinguishment of debt	0	(1,659)	0
Sale of investments	1,396	0	0
Other	259	194	835
Other Income (expense)	$ 3,792	$ (1,369)	$ 9,791

- Definition

The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

+ References + Details

Other Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2011	Dec. 31, 2010
Other Accrued Expenses (Tables) [Abstract]
Restructuring	$ 1,940	$ 4,731
Sales returns and allowances	36,943	38,761
Goods received, not yet invoiced	37,573	44,405
Other	84,663	98,152
Total other accrued expenses	$ 161,119	$ 186,049

- Definition

Aggregate carrying amount, as of the balance sheet date, of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed in the balance sheet. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

- Definition

Amounts payable to customers at the balance sheet date. The term customers generally excludes other broker-dealers; persons who are principal officers, directors, and stockholders; and persons whose securities or funds are part of the regulatory net capital of the broker-dealer. Another broker-dealer's account can be classified as a customer if the account is carried as an omnibus account in compliance with certain regulations. The accounts of principal officers, directors and stockholders may be combined in the customer captions if they are not material and the combination is disclosed in the oath that is required to accompany the annual audited FOCUS Report.

+ References + Details

- Definition

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References + Details

Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Pension and other post-retirement actuarial items [Abstract]
Beginning Balance	$ (119,990)	$ (105,910)	$ (122,182)
Before-Tax Amount	(54,053)	(30,213)	6,231
Tax Effect	16,975	4,494	(832)
Net-of-Tax Amount	(37,078)	(25,719)	5,399
VPG Spin-off	0	1,079	0
Ending Balance	(157,068)	(130,550)	(116,783)
Reclassification adjustment for recognition of actuarial items [Abstract]
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	12,192	10,498	10,831
Tax Effect	(4,321)	62	42
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	7,871	10,560	10,873
VPG Spin-off recognition of actuarial items	0	0	0
Ending Balance	7,871	10,560	10,873
Currency translation adjustment [Abstract]
Beginning Balance	179,335	208,341	198,261
Before-Tax Amount	(26,441)	(41,930)	10,080
Tax Effect	0	0	0
Net-of-Tax Amount	(26,441)	(41,930)	10,080
VPG Spin-off	0	12,924	0
Ending Balance	152,894	179,335	208,341
Unrealized gain (loss) on available-for-sale securities [Abstract]
Beginning Balance	1,146	544	(110)
Before-Tax Amount	(1,639)	927	1,006
Tax Effect	574	(325)	(352)
Net-of-Tax Amount	(1,065)	602	654
VPG Spin-off	0	0	0
Ending Balance	81	1,146	544
Other Comprehensive Income (Loss) - Total [Abstract]
Beginning Balance	60,491	102,975	75,969
Before-Tax Amount	(69,941)	(60,718)	28,148
Tax Effect	13,228	4,231	(1,142)
Net-of-Tax Amount	(56,713)	(56,487)	27,006
VPG Spin-off	0	14,003	0
Ending Balance	$ 3,778	$ 60,491	$ 102,975

Pensions and Other Postretirement Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Change in plan assets [Roll forward]
Fair value of plan assets at beginning of year	$ 270,984
Fair value of plan assets at end of year	274,589	$ 270,984
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Included in other assets	802	1,741
Accrued pension and other postretirement costs	(319,136)	(291,117)
Total actuarial items	172,361	131,177
Components of actuarial items [Abstract]
Total actuarial items	172,361	131,177
Other retirement obligations [Abstract]
Company's matching expense for 401(k) savings plans	4,985	5,399	$ 5,004
Liabilities recorded for post-employment benefit obligations to certain terminated employees related to acquisitions	6,818	9,222
Accrued liabilities for post-employment benefit obligations to certain terminated employees related to acquisitions	1,823	2,126
Defined Benefit Pension [Member]
Defined benefit pension plans [Abstract]
Assets held in trust	5,445
Deferred compensation arrangement, annual retirement benefit to surviving spouse	614
Deferred Compensation [Member]
Defined benefit pension plans [Abstract]
Assets held in trust	11,830	10,663
Non-qualified Pension Plans [Member]
Defined benefit pension plans [Abstract]
Assets held in trust	14,423	14,922
U.S. Pension Plans [Member]
Change in benefit obligation [Roll forward]
Benefit obligation at beginning of year	303,613	289,430
Service cost (adjusted for actual employee contributions)	0	0	0
Interest cost	16,332	16,341	16,745
Plan amendments	0	8,777
Spin-off of VPG	0	(1,255)
Actuarial (gains) losses	20,320	7,379
Benefits paid	(17,738)	(17,059)
Benefit obligation at end of year	322,527	303,613	289,430
Change in plan assets [Roll forward]
Fair value of plan assets at beginning of year	238,523	216,641
Actual return on plan assets	1,117	26,116
Spin-off of VPG	0	0
Company contributions	17,143	12,825
Benefits paid	(17,738)	(17,059)
Fair value of plan assets at end of year	239,045	238,523	216,641
Funded status at end of year	(83,482)	(65,090)
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Accrued pension and other postretirement costs	83,482	65,090
Total actuarial items	135,009	108,239
Total	51,527	43,149
Components of actuarial items [Abstract]
Unrecognized net actuarial loss (gain)	130,608	101,236
Unamortized prior service (credit) cost	4,401	7,003
Total actuarial items	135,009	108,239
Projected and accumulated benefit obligations [Abstract]
Accumulated benefit obligation, all plans	322,527	303,613
Plans for which the accumulated benefit obligation exceeds plan assets [Abstract]
Projected benefit obligation	322,527	303,613	289,430
Accumulated benefit obligation	322,527	303,613
Fair value of plan assets	239,045	238,523
Components of net periodic pension cost [Abstract]
Net service cost	0	0	0
Interest cost	16,332	16,341	16,745
Expected return on plan assets	(19,082)	(18,098)	(14,955)
Amortization of actuarial losses	9,006	9,315	11,300
Amortization of prior service (credit) cost	2,361	1,477	34
Curtailment and settlement losses (gains)	148	0	0
Net periodic benefit cost	$ 8,765	$ 9,035	13,124
Weighted average assumptions used to calculate benefit obligations [Abstract]
Discount rate (in hundredths)	5.00%	5.50%
Rate of compensation increase (in hundredths)	0.00%	0.00%
Weighted average assumptions used calculating net periodic benefit cost [Abstract]
Discount rate (in hundredths)	5.50%	5.75%
Rate of compensation increase (in hundredths)	0.00%	0.00%
Expected return on plan assets (in hundredths)	8.00%	8.50%
Target allocation of assets in equity securities (in hundredths)	60.00%
Target allocation percentage of assets invested in fixed income securities (in hundredths)	40.00%
Actual plan asset allocations [Abstract]
Equity securities (in hundredths)	61.00%	63.00%
Fixed income securities (in hundredths)	39.00%	36.00%
Cash and cash equivalents (in hundredths)	0.00%	1.00%
Total (in hundredths)	100.00%	100.00%
Estimated future benefit payments [Abstract]
2012	$ 18,121
2013	18,592
2014	25,359
2015	20,737
2016	21,096
2017-2021	106,408
Estimated future employer contributions to U.S. defined benefit pension plans in next fiscal year, minimum	12,000
Estimated future employer contributions to U.S. defined benefit pension plans in next fiscal year, maximum	16,000
Non-U.S. Pension Plans [Member]
Change in benefit obligation [Roll forward]
Benefit obligation at beginning of year	231,870	$ 231,416
Service cost (adjusted for actual employee contributions)	3,197	3,027	2,991
Interest cost	10,366	10,774	11,174
Plan amendments	531	163
Spin-off of VPG	0	(13,882)
Actuarial (gains) losses	14,986	20,899
Benefits paid	(12,763)	(10,991)
Currency translation	(4,220)	(9,536)
Benefit obligation at end of year	243,966	231,870	231,416
Change in plan assets [Roll forward]
Fair value of plan assets at beginning of year	32,461	34,762
Actual return on plan assets	830	2,376
Spin-off of VPG	0	(8,939)
Company contributions	15,325	14,427
Benefits paid	(12,763)	(10,991)
Currency translation	(309)	826
Fair value of plan assets at end of year	35,544	32,461	34,762
Funded status at end of year	(208,422)	(199,409)
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Included in other assets	802	1,741
Accrued pension and other postretirement costs	209,224	201,150
Total actuarial items	41,494	28,454
Total	(166,928)	(170,955)
Components of actuarial items [Abstract]
Unrecognized net actuarial loss (gain)	41,494	28,454
Unamortized prior service (credit) cost	0	0
Total actuarial items	41,494	28,454
Projected and accumulated benefit obligations [Abstract]
Accumulated benefit obligation, all plans	225,381	213,893
Plans for which the accumulated benefit obligation exceeds plan assets [Abstract]
Projected benefit obligation	236,323	225,291
Accumulated benefit obligation	221,637	210,786
Fair value of plan assets	27,098	24,178
Components of net periodic pension cost [Abstract]
Net service cost	3,197	3,027	2,991
Interest cost	10,366	10,774	11,174
Expected return on plan assets	(1,651)	(1,629)	(1,689)
Amortization of actuarial losses	993	160	70
Amortization of prior service (credit) cost	531	163	94
Curtailment and settlement losses (gains)	0	0	405
Net periodic benefit cost	$ 13,436	$ 12,495	13,045
Weighted average assumptions used to calculate benefit obligations [Abstract]
Discount rate (in hundredths)	3.96%	4.50%
Rate of compensation increase (in hundredths)	2.31%	2.19%
Weighted average assumptions used calculating net periodic benefit cost [Abstract]
Discount rate (in hundredths)	4.50%	5.19%
Rate of compensation increase (in hundredths)	2.19%	2.34%
Expected return on plan assets (in hundredths)	4.26%	4.89%
Actual plan asset allocations [Abstract]
Equity securities (in hundredths)	19.00%	24.00%
Fixed income securities (in hundredths)	29.00%	26.00%
Cash and cash equivalents (in hundredths)	52.00%	50.00%
Total (in hundredths)	100.00%	100.00%
Estimated future benefit payments [Abstract]
2012	$ 11,524
2013	12,984
2014	14,026
2015	12,950
2016	13,522
2017-2021	77,915
U.S. Postretirement Plans [Member]
Change in benefit obligation [Roll forward]
Benefit obligation at beginning of year	10,633	$ 13,617
Service cost (adjusted for actual employee contributions)	77	95	113
Interest cost	547	640	810
Spin-off of VPG		(2,493)
Actuarial (gains) losses	675	(148)
Benefits paid	(1,008)	(1,078)
Benefit obligation at end of year	10,924	10,633	13,617
Change in plan assets [Roll forward]
Fair value of plan assets at beginning of year	0
Spin-off of VPG	0
Benefits paid	(1,008)	(1,078)
Fair value of plan assets at end of year	0	0
Funded status at end of year	(10,924)	(10,633)
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Accrued pension and other postretirement costs	10,924	10,633
Total actuarial items	(4,142)	(5,516)
Total	(15,066)	(16,149)
Components of actuarial items [Abstract]
Unrecognized net actuarial loss (gain)	(2,309)	(3,299)
Unamortized prior service (credit) cost	1,865	(2,296)
Unrecognized net transition obligation	32	79
Total actuarial items	(4,142)	(5,516)
Components of net periodic pension cost [Abstract]
Net service cost	77	95	113
Interest cost	547	640	810
Amortization of actuarial losses	(315)	(244)	(300)
Amortization of prior service (credit) cost	(431)	(434)	(441)
Amortization of transition obligation	47	61	74
Net periodic benefit cost	$ (75)	$ 118	256
Weighted average assumptions used to calculate benefit obligations [Abstract]
Discount rate (in hundredths)	5.00%	5.50%
Rate of compensation increase (in hundredths)	0.00%	0.00%
Weighted average assumptions used calculating net periodic benefit cost [Abstract]
Discount rate (in hundredths)	5.50%	5.75%
Rate of compensation increase (in hundredths)	0.00%	0.00%
Estimated future benefit payments [Abstract]
2012	$ 1,024
2013	1,018
2014	1,010
2015	1,012
2016	1,000
2017-2021	4,369
Non-U.S. Postretirement Plans [Member]
Change in benefit obligation [Roll forward]
Benefit obligation at beginning of year	5,801	$ 5,841
Service cost (adjusted for actual employee contributions)	275	255	330
Interest cost	282	291	391
Actuarial (gains) losses	341	778
Benefits paid	(618)	(854)
Currency translation	(109)	(510)
Benefit obligation at end of year	5,972	5,801	5,841
Change in plan assets [Roll forward]
Fair value of plan assets at beginning of year	0
Benefits paid	(618)	(854)
Fair value of plan assets at end of year	0	0
Funded status at end of year	(5,972)	(5,801)
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Accrued pension and other postretirement costs	5,972	5,801
Total	(5,972)	(5,801)
Components of actuarial items [Abstract]
Unrecognized net actuarial loss (gain)	0	0
Unamortized prior service (credit) cost	0	0
Unrecognized net transition obligation	0	0
Components of net periodic pension cost [Abstract]
Net service cost	275	255	330
Interest cost	282	291	391
Amortization of actuarial losses	0	0	0
Amortization of prior service (credit) cost	0	0	0
Amortization of transition obligation	0	0	0
Net periodic benefit cost	$ 557	$ 546	$ 721
Weighted average assumptions used to calculate benefit obligations [Abstract]
Discount rate (in hundredths)	5.09%	4.80%
Rate of compensation increase (in hundredths)	3.22%	3.00%
Weighted average assumptions used calculating net periodic benefit cost [Abstract]
Discount rate (in hundredths)	4.80%	5.50%
Rate of compensation increase (in hundredths)	3.00%	3.46%
Estimated future benefit payments [Abstract]
2012	$ 581
2013	221
2014	331
2015	376
2016	509
2017-2021	3,090
Other Retirement Obligations [Member]
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Accrued pension and other postretirement costs	$ (9,534)	$ (8,443)

Share-Based Compensation (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2011 USD ($) Y $ / shares shares	Dec. 31, 2010 USD ($) $ / shares shares	Dec. 31, 2009 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized \| $	$ 6,832	$ 2,643	$ 1,770
Unrecognized Compensation Cost \| $	$ 4,405
Maximum number of shares authorized under restricted stock, unrestricted stock, RSU's and stock options to officers, employees and non-employee directors (in shares)	3,000,000
Expiration date of 2007 Stock Incentive Plan	May 22, 2017
Outstanding:
Exercised (in shares)	650,621
Conversion ratio (in hundredths)	0.563
Number of shares of Vishay common stock that could have been issued upon the exercise of former General Semiconductor options (in shares)	4,282,000
Percentage of decrease in exercise price of all stock options as a consequence of spin-off of VPG (in hundredths)		9.48%
Number of stock options held by VPG employees that expired (in shares)		102,000
Adjustment of performance vesting criteria of performance-based RSUs to reflect the absence of VPG within consolidated results (in hundredths)		10.00%
Weighted-average remaining contractual life of all exercisable options (in years) \| Y	1.17
Stock price per share (in dollars per share) \| $ / shares	$ 8.99
Share-based compensation arrangement by share-based payment award, options, exercisable, intrinsic value \| $	$ 24
Intrinsic value under share based compensation scheme \| $	$ 1,693
Unvested:
Number of RSUs held by VPG employees that expired (in units)	5,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options outstanding, number of options (in shares)	384,000
Options outstanding, weighted average remaining contractual life (in years) \| Y	1.82
Options outstanding, weighted average exercise price (in dollars per share) \| $ / shares	$ 15.40
Options exercisable, number of options (in shares)	323,000
Options exercisable, weighted average exercise price (in dollars per share) \| $ / shares	$ 15.34
$7.89 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range limit (in dollars per share) \| $ / shares	7.89
Exercise price range, upper range limit (in dollars per share) \| $ / shares	$ 7.89
Options outstanding, number of options (in shares)	22,000
Options outstanding, weighted average remaining contractual life (in years) \| Y	0.67
Options outstanding, weighted average exercise price (in dollars per share) \| $ / shares	$ 7.89
Options exercisable, number of options (in shares)	22,000
Options exercisable, weighted average exercise price (in dollars per share) \| $ / shares	$ 7.89
$11.54 - $14.33 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range limit (in dollars per share) \| $ / shares	11.54
Exercise price range, upper range limit (in dollars per share) \| $ / shares	$ 14.33
Options outstanding, number of options (in shares)	53,000
Options outstanding, weighted average remaining contractual life (in years) \| Y	3.18
Options outstanding, weighted average exercise price (in dollars per share) \| $ / shares	$ 13.31
Options exercisable, number of options (in shares)	43,000
Options exercisable, weighted average exercise price (in dollars per share) \| $ / shares	$ 13.42
$16.29 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range limit (in dollars per share) \| $ / shares	16.29
Exercise price range, upper range limit (in dollars per share) \| $ / shares	$ 16.29
Options outstanding, number of options (in shares)	309,000
Options outstanding, weighted average remaining contractual life (in years) \| Y	1.67
Options outstanding, weighted average exercise price (in dollars per share) \| $ / shares	$ 16.29
Options exercisable, number of options (in shares)	258,000
Options exercisable, weighted average exercise price (in dollars per share) \| $ / shares	$ 16.29
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized \| $	$ (83)	$ 619	$ 827
Unrecognized Compensation Cost \| $	$ 92
Weighted Average Remaining Amortization Periods (in years) \| Y	1.1
Outstanding:
Balance (in shares)	1,254,000	2,728,000	3,904,000
Granted (in shares)	0	0	0
Exercised (in shares)	(651,000)	0	0
Cancelled or forfeited (in shares)	(219,000)	(1,733,000)	(1,176,000)
Adjustment due to VPG spin-off (in shares)	0	259,000	0
Balance (in shares)	384,000	1,254,000	2,728,000
Vested and expected to vest (in shares)	384,000	1,254,000	2,728,000
Exercisable (in shares)	323,000	1,001,000	2,400,000
Beginning Balance, weighted average exercise price (in dollars per share) \| $ / shares	$ 15.04	$ 19.84	$ 18.55
Granted, weighted average exercise price (in dollars per share) \| $ / shares	0.00	0.00	0.00
Exercised, weighted average exercise price (in dollars per share) \| $ / shares	14.87	0.00	0.00
Cancelled or forfeited, weighted average exercise price (in dollars per share) \| $ / shares	14.92	20.35	15.55
Adjustment due to VPG spin-off, weighted average exercise price (in dollars per share) \| $ / shares	0.00	0.00	0.00
Ending balance, weighted average exercise price (in dollars per share) \| $ / shares	$ 15.40	$ 15.04	$ 19.84
Unvested:
Balance (in shares)	253,000	328,000	447,000
Granted (in shares)	0	0	0
Vested (in shares)	(192,000)	(81,000)	(93,000)
Forfeited (in shares)	0	(19,000)	(26,000)
Adjustment due to VPG spin-off (in shares)	0	25,000	0
Balance (in shares)	61,000	253,000	328,000
Beginning balance, weighted average exercise price of unvested options (in dollars) \| $ / shares	$ 9.33	$ 9.93	$ 9.64
Vested, weighted average Grant-date fair value (in dollars per share) \| $ / shares	9.13	9.24	8.96
Forfeited, weighted average Grant-date fair value (in dollars per share) \| $ / shares	0.00	7.95	8.47
Adjustment due to VPG spin-off, weighted average Grant-date fair value (in dollars per share) \| $ / shares	0.00	0.00	0.00
Ending balance, weighted average exercise price of unvested options (in dollars per share) \| $ / shares	$ 9.96	$ 9.33	$ 9.93
Stock Options [Member] \| Dr. Felix Zandman [Member]
Outstanding:
Shares immediately vested upon occurrence of accelerating event	77,334
Stock Options [Member] \| Dr. Lior Yahalomi [Member]
Outstanding:
Shares immediately vested upon occurrence of accelerating event	29,459
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized \| $	$ 6,693	$ 1,849	$ 869
Unrecognized Compensation Cost \| $	$ 4,313
Weighted Average Remaining Amortization Periods (in years) \| Y	1.5
Outstanding:
Balance (in shares)	634,000	155,000	197,000
Granted (in shares)	423,000	509,000	36,000
Cancelled or forfeited (in shares)	(12,000)	(14,000)	0
Adjustment due to VPG spin-off (in shares)	0	60,000	0
Balance (in shares)	891,000	634,000	155,000
RSUs vesting January 1, 2013 (in shares)	324,000
RSUs vesting January 1, 2014 (in shares)	233,000
Unvested:
Granted (in shares)	423,000	509,000	36,000
Vested (in shares)	(154,000)	(76,000)	(78,000)
Granted, weighted average Grant-date fair value (in dollars per share) \| $ / shares	$ 16.57	$ 10.87	$ 5.20
Vested, weighted average Grant-date fair value (in dollars per share) \| $ / shares	11.25	9.68	9.20
Forfeited, weighted average Grant-date fair value (in dollars per share) \| $ / shares	13.26	8.83	0.00
Adjustment due to VPG spin-off, weighted average Grant-date fair value (in dollars per share) \| $ / shares	0.00	0.00	0.00
Outstanding:
Beginning balance, Weighted average grant-date fair value (in dollars per share) \| $ / shares	9.61	9.14	9.88
Ending balance, Weighted average grant-date fair value (in dollars per share) \| $ / shares	$ 12.58	$ 9.61	$ 9.14
Restricted Stock Units (RSUs) [Member] \| Dr. Felix Zandman [Member]
Outstanding:
Shares immediately vested upon occurrence of accelerating event	98,375
Restricted Stock Units (RSUs) [Member] \| Dr. Lior Yahalomi [Member]
Outstanding:
Shares immediately vested upon occurrence of accelerating event	18,438
Phantom Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized \| $	$ 222	$ 175	$ 74
Unrecognized Compensation Cost \| $	$ 0
Weighted Average Remaining Amortization Periods (in years) \| Y	0.0
Maximum number of shares authorized under restricted stock, unrestricted stock, RSU's and stock options to officers, employees and non-employee directors (in shares)	300,000
Outstanding:
Available for future grants (in shares)	95,000	110,000	145,000
Outstanding:
Balance (in shares)	116,000	120,000	100,000
Granted (in shares)	15,000	20,000	20,000
Redeemed for common stock (in shares)	(44,000)	(39,000)	0
Adjustment due to VPG spin-off (in shares)	0	15,000	0
Balance (in shares)	87,000	116,000	120,000
Granted, Weighted average grant-date fair value (in dollars per share) \| $ / shares	$ 14.78	$ 8.76	$ 3.70
Available for future grants (in shares)	95,000	110,000	145,000
1998 Stock Option Program [Member]
Outstanding:
Available for future grants (in shares)	309,000
Outstanding:
Available for future grants (in shares)	309,000
2007 Stock Incentive Plan [Member]
Outstanding:
Available for future grants (in shares)	1,534,000
Outstanding:
Available for future grants (in shares)	1,534,000
Performance Vested Restricted Stock Units [Member] \| Dr. Felix Zandman [Member]
Outstanding:
Shares to be vested immediately upon the Company's achievement of performance-based criteria	202,330
Performance Vested Restricted Stock Units [Member] \| Dr. Lior Yahalomi [Member]
Outstanding:
Shares to be vested immediately upon the Company's achievement of performance-based criteria	55,316

Commitments and Contingencies (Details) - USD ($) $ in Thousands	3 Months Ended						12 Months Ended
	Dec. 31, 2011	Apr. 02, 2011	Dec. 31, 2010	Oct. 02, 2010	Jul. 04, 2010	Apr. 03, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Leases
Total rental expense under operating leases							$ 26,351	$ 28,194	$ 29,631
Future minimum lease payments for operating leases [Abstract]
2012	$ 23,565						23,565
2013	18,272						18,272
2014	14,970						14,970
2015	11,960						11,960
2016	10,318						10,318
Thereafter	17,989						17,989
Capital lease obligations	38						38
Environmental Matters
Accrued environmental liabilities	25,157						25,157
Accrued environmental liabilities, current	10,283						10,283
Accrued environmental liabilities, noncurrent	14,874						14,874
Semiconductor Foundry Agreements
Consideration paid for reducing quantity of long-term purchase commitment									$ 3,000
Estimated purchase commitments under 2008 Tower agreement [Abstract]
2012	22,569						22,569
2013	7,106						7,106
2014	6,890						6,890
2015	6,890						6,890
Actual purchases from Tower							36,407
Executive Employment Agreements
Period of royalty payment following termination of employment (in years)									10Y
Royalty Payment Percentage (in hundredths)									5.00%
Present value of royalties, minimum										$ 370,000
Present value of royalties, maximum										$ 445,000
Executive payment made upon amended and restated agreement									$ 10,000
Annual Executive Payment									10,000
Executive employment agreement charge	0	$ 0	$ 0	$ 0	$ 0	$ 0	5,762	0	57,824
General Semiconductor [Member]
Environmental Matters
Accrued environmental liabilities	14,546						14,546
Other Sites [Member]
Environmental Matters
Accrued environmental liabilities	10,611						10,611
VPG [Member]
Leases
Total rental expense under operating leases								$ 1,789	$ 3,624
Dr. Felix Zandman [Member]
Executive Employment Agreements
Executive employment agreement charge							3,889
Executive employment agreement liability, noncurrent	19,400						19,400
Executive employment agreement liability, current	$ 10,000						10,000
Dr. Lior Yahalomi [Member]
Executive Employment Agreements
Executive employment agreement charge							$ 1,873

Current Vulnerability Due to Certain Concentrations (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2011 USD ($) Y	Dec. 31, 2010
Concentration Risks [Abstract]
Concentration Risk, Customer	0.109
Duration of business operations in Israel (in years) \| Y	41
Credit Concentration Risk [Member]
Concentration Risks [Abstract]
Concentration Risk, Customer		0.087
Credit Concentration Risk [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| Bank Leumi [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	21.50%
Credit Concentration Risk [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| Unicredit [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	14.40%
Credit Concentration Risk [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| KBC [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	13.40%
Credit Concentration Risk [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| JP Morgan Chase [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	11.90%
Credit Concentration Risk [Member] \| Accounts Receivable [Member]
Concentration Risks [Abstract]
Concentration Risk, Customer	0.109	0.087
Geographic Concentration [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| United States [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	12.40%
Geographic Concentration [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| Germany [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	28.00%
Geographic Concentration [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| Other Europe [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	7.80%
Geographic Concentration [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| Israel [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	29.90%
Geographic Concentration [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| People's Republic of China [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	6.10%
Geographic Concentration [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| Other Asia [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	6.30%
Geographic Concentration [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| Other Geographic Area [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	0.60%
Geographic Concentration [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| Singapore [Member]
Concentration Risks [Abstract]
Concentration risk percentage (in hundredths)	8.90%
Geographic Concentration [Member] \| Cash and Cash Equivalents and Short-term Investments [Member] \| Outside Of United States [Member]
Concentration Risks [Abstract]
Cash and cash equivalents and short-term investments \| $	$ 875,073
Geographic Concentration [Member] \| Revenue [Member] \| Outside Of United States [Member]
Concentration Risks [Abstract]
Concentration Risk, Geographic	.78

Segment and Geographic Data (Details) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2011 USD ($) $ / shares	Oct. 01, 2011 USD ($) $ / shares	Jul. 02, 2011 USD ($) $ / shares	Apr. 02, 2011 USD ($) $ / shares	Dec. 31, 2010 USD ($) $ / shares	Oct. 02, 2010 USD ($) $ / shares	Jul. 04, 2010 USD ($) $ / shares	Apr. 03, 2010 USD ($) $ / shares	Dec. 31, 2011 USD ($) $ / shares	Dec. 31, 2010 USD ($) $ / shares	Dec. 31, 2009 USD ($) $ / shares
Segment Reporting Information [Line Items]
Number of reporting segments	5								5
Product sales									$ 2,587,396	$ 2,719,311	$ 2,036,323
Royalty revenues									6,633	5,781	5,710
Total revenue	$ 551,391	$ 637,649	$ 709,838	$ 695,151	$ 688,612	$ 694,365	$ 701,655	$ 640,460	2,594,029	2,725,092	2,042,033
Gross Margin	125,656	167,477	212,190	214,663	211,501	218,378	210,593	167,013	719,986	807,485	388,161
Depreciation expense									165,022	169,724	206,009
Interest expense (income)									19,277	11,036	10,321
Capital expenditures									168,641	145,413	50,340
Total Assets	2,993,730				2,966,093				2,993,730	2,966,093	2,719,546
Income (loss) from continuing operations before taxes									331,116	405,533	(39,715)
Net earnings attributable to Vishay stockholders	$ 30,952	$ 50,487	$ 82,095	$ 75,287	$ 147,228	$ 89,799	$ 76,659	$ 45,420	$ 238,821	$ 359,106	$ (57,188)
Diluted earnings per share attributable to Vishay stockholders (in dollars per share) \| $ / shares	$ 0.19	$ 0.31	$ 0.48	$ 0.43	$ 0.81	$ 0.47	$ 0.40	$ 0.24	$ 1.42	$ 1.89	$ (0.31)
Operating margin reconciliation [Abstract]
Restructuring and severance Costs									$ 0	$ 0	$ (37,874)
Asset write-downs									0	0	(681)
Executive employment agreement charge	$ 0			$ 0	$ 0	$ 0	$ 0	$ 0	(5,762)	0	(57,824)
Operating Income	33,565	$ 75,333	$ 115,505	122,198	120,583	130,903	101,327	65,125	346,601	417,938	(39,185)
Settlement agreement gain									0	0	28,195
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	551,391	$ 637,649	$ 709,838	$ 695,151	688,612	$ 694,365	$ 701,655	$ 640,460	2,594,029	2,725,092	2,042,033
Property and equipment, net	907,905				912,114				907,905	912,114
United States [Member]
Segment Reporting Information [Line Items]
Total revenue									363,847	345,267	312,262
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									363,847	345,267	312,262
Property and equipment, net	136,159				141,309				136,159	141,309
Germany [Member]
Segment Reporting Information [Line Items]
Total revenue									801,539	726,235	544,364
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									801,539	726,235	544,364
Property and equipment, net	125,905				128,549				125,905	128,549
Czech Republic [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	53,126				58,545				53,126	58,545
Other Europe [Member]
Segment Reporting Information [Line Items]
Total revenue									175,639	217,099	195,212
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									175,639	217,099	195,212
Property and equipment, net	97,212				96,313				97,212	96,313
Israel [Member]
Segment Reporting Information [Line Items]
Total revenue									219,037	292,025	212,483
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									219,037	292,025	212,483
Property and equipment, net	125,885				121,070				125,885	121,070
Asia [Member]
Segment Reporting Information [Line Items]
Total revenue									1,033,967	1,144,466	777,712
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									1,033,967	1,144,466	777,712
People's Republic of China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	178,877				181,043				178,877	181,043
Republic of China (Taiwan) [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	117,450				117,513				117,450	117,513
Other Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	71,677				66,093				71,677	66,093
Other Geographic Area [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	1,614				1,679				1,614	1,679
MOSFETS Segment [Member]
Segment Reporting Information [Line Items]
Product sales									537,783	626,498	427,110
Royalty revenues									197	200	71
Total revenue									537,980	626,698	427,181
Gross Margin									125,498	189,209	57,280
Depreciation expense									53,808	51,865	58,762
Interest expense (income)									12	0	23
Capital expenditures									61,520	55,457	10,309
Total Assets	646,660				745,641				646,660	745,641	566,952
Operating margin reconciliation [Abstract]
Restructuring and severance Costs									0	0	(8,017)
Operating Income									85,336	152,794	25,434
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									537,980	626,698	427,181
Diodes Segment [Member]
Segment Reporting Information [Line Items]
Product sales									607,493	596,354	410,415
Royalty revenues									0	0	0
Total revenue									607,493	596,354	410,415
Gross Margin									143,876	138,308	51,361
Depreciation expense									39,577	39,035	38,638
Interest expense (income)									0	0	93
Capital expenditures									39,444	30,879	12,474
Total Assets	682,017				685,490				682,017	685,490	522,080
Operating margin reconciliation [Abstract]
Restructuring and severance Costs									0	0	(4,707)
Asset write-downs									0	0	(681)
Operating Income									118,111	115,168	31,275
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									607,493	596,354	410,415
Optoelectronic Components Segment [Member]
Segment Reporting Information [Line Items]
Product sales									229,814	226,402	167,317
Royalty revenues									72	96	13
Total revenue									229,886	226,498	167,330
Gross Margin									74,772	75,804	37,180
Depreciation expense									12,384	12,282	14,757
Interest expense (income)									0	0	172
Capital expenditures									15,442	13,066	3,453
Total Assets	163,486				163,584				163,486	163,584	132,065
Operating margin reconciliation [Abstract]
Restructuring and severance Costs									0	0	(2,755)
Operating Income									60,492	64,088	24,441
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									229,886	226,498	167,330
Resistors And Inductors Segment [Member]
Segment Reporting Information [Line Items]
Product sales									634,490	622,819	438,600
Royalty revenues									6,364	5,485	5,626
Total revenue									640,854	628,304	444,226
Gross Margin									213,997	222,785	109,093
Depreciation expense									32,039	30,142	38,392
Interest expense (income)									223	933	(27)
Capital expenditures									28,751	27,874	11,126
Total Assets	609,556				602,466				609,556	602,466	572,076
Operating margin reconciliation [Abstract]
Restructuring and severance Costs									0	0	(9,374)
Operating Income									185,327	195,730	85,406
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									640,854	628,304	444,226
Capacitors Segment [Member]
Segment Reporting Information [Line Items]
Product sales									577,816	546,149	420,890
Royalty revenues									0	0	0
Total revenue									577,816	546,149	420,890
Gross Margin									161,843	144,349	80,533
Depreciation expense									25,979	31,551	46,684
Interest expense (income)									223	762	934
Capital expenditures									19,676	17,132	10,567
Total Assets	672,049				652,742				672,049	652,742	668,271
Operating margin reconciliation [Abstract]
Restructuring and severance Costs									0	0	(5,353)
Operating Income									136,901	121,714	60,480
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									577,816	546,149	420,890
Vishay Precision Group Segment [Member]
Segment Reporting Information [Line Items]
Product sales									0	101,089	171,991
Royalty revenues									0	0	0
Total revenue									0	101,089	171,991
Gross Margin									0	37,030	52,714
Depreciation expense									0	3,391	8,446
Interest expense (income)									0	33	69
Capital expenditures									0	918	2,181
Total Assets	0				0				0	0	209,779
Income (loss) from continuing operations before taxes										9,716
Net earnings attributable to Vishay stockholders										$ 5,811
Diluted earnings per share attributable to Vishay stockholders (in dollars per share) \| $ / shares										$ 0.03
Operating margin reconciliation [Abstract]
Restructuring and severance Costs									0	$ 0	(2,048)
Operating Income									0	18,949	22,510
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									0	101,089	171,991
Corporate Other [Member]
Segment Reporting Information [Line Items]
Product sales									0	0	0
Royalty revenues									0	0	0
Total revenue									0	0	0
Gross Margin									0	0	0
Depreciation expense									1,235	1,458	330
Interest expense (income)									18,819	9,308	9,057
Capital expenditures									3,808	87	230
Total Assets	$ 219,962				$ 116,170				219,962	116,170	48,323
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									0	0	0
Unallocated Selling, General, and Administrative Expenses [Member]
Operating margin reconciliation [Abstract]
Restructuring and severance Costs									0	0	(5,620)
Operating Income									$ (233,804)	$ (250,505)	$ (220,547)

Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 31, 2010	Oct. 02, 2010	Jul. 04, 2010	Apr. 03, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Numerator for basic earnings (loss) per share:
Net earnings (loss) attributable to Vishay stockholders	$ 30,952	$ 50,487	$ 82,095	$ 75,287	$ 147,228	$ 89,799	$ 76,659	$ 45,420	$ 238,821	$ 359,106	$ (57,188)
Adjustment to the numerator for continuing operations and net earnings (loss):
Interest savings assuming conversion of dilutive convertible and exchangeable notes, net of tax									189	257	0
Numerator for diluted earnings (loss) per share:
Net earnings (loss)									$ 239,010	$ 359,363	$ (57,188)
Denominator for basic earnings (loss) per share:
Weighted average shares outstanding - basic (in shares)									160,094	183,618	186,605
Effect of dilutive securities:
Convertible and exchangeable debt instruments (in shares)									7,820	6,313	0
Employee stock options (in shares)									106	10	0
Other (in shares)									494	286	0
Dilutive potential common shares (in shares)									8,420	6,609	0
Denominator for diluted earnings (loss) per share:
Adjusted weighted average shares (in shares)									168,514	190,227	186,605
Basic earnings per share attributable to Vishay stockholders (in dollars per share)	$ 0.20	$ 0.32	$ 0.51	$ 0.46	$ 0.84	$ 0.48	$ 0.41	$ 0.24	$ 1.49	$ 1.96	$ (0.31)
Diluted earnings per share attributable to Vishay stockholders (in dollars per share)	$ 0.19	$ 0.31	$ 0.48	$ 0.43	$ 0.81	$ 0.47	$ 0.40	$ 0.24	$ 1.42	$ 1.89	$ (0.31)
Convertible Senior Debentures, Due 2040 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount (in shares)									9,905	0	0
Minimum market price of common stock for inclusion of shares issuable upon conversion of senior debentures for calculation of diluted earnings per share (in dollars per share)									$ 13.88
Convertible Senior Debentures, Due 2041 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount (in shares)									5,026	0	0
Minimum market price of common stock for inclusion of shares issuable upon conversion of senior debentures for calculation of diluted earnings per share (in dollars per share)									$ 19.02
Convertible Subordinated Notes, Due 2023 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount (in shares)									0	51	87
Percentage of outstanding convertible subordinated notes repurchased (in hundredths)												99.60%
Principal amount of convertible subordinated notes redeemed										$ 1,870
Exchangeable Unsecured Notes, Due 2102 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount (in shares)									0	0	6,176
Weighted average stock options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount (in shares)									182	2,243	3,615
Weighted average warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount (in shares)									8,824	8,824	8,824
Weighted average other [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount (in shares)									123	35	294

Additional Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Changes in operating assets and liabilities, net of effect of businesses acquired [Abstract]
Accounts receivable	$ 61,918	$ (89,261)	$ 29,055
Inventories	(13,829)	(54,358)	79,415
Prepaid expenses and other current assets	(14,273)	(22,637)	43,549
Accounts payable	(11,468)	59,568	12,838
Other current liabilities	(74,851)	108,418	(56,107)
Net change in operating assets and liabilities	$ (52,503)	$ 1,730	$ 108,750

Fair Value Measurements (Details) - USD ($) $ in Thousands	12 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Assets:
Assets held in rabbi trusts	$ 31,698	$ 25,585
Fair value of plan assets	274,589	270,984
Available for sale securities	6,776	5,736
Fair Value Assets	313,063	302,305
Fair Value Assets	313,063	302,305
Liabilities:
Long-term Debt	398,068	431,363
Convertible Senior Debentures, Due 2040 [Member]
Liabilities:
Embedded derivative	(594)	$ (319)
Convertible debentures issuance date		November 9, 2010
Convertible Senior Debentures, Due 2041 [Member]
Liabilities:
Embedded derivative	$ (392)
Convertible debentures issuance date	May 13, 2011
U.S. Plans [Member]
Assets:
Fair value of plan assets	$ 239,045	$ 238,523	$ 216,641
Non-U.S. Plans [Member]
Assets:
Fair value of plan assets	35,544	32,461	$ 34,762
Fair Value, Inputs, Level 1 [Member]
Assets:
Assets held in rabbi trusts	20,569	15,575
Available for sale securities	6,776	5,736
Fair Value Assets	248,698	244,125
Fair Value Assets	248,698	244,125
Fair Value, Inputs, Level 1 [Member] \| U.S. Plans [Member] \| Equity Securities [Member]
Assets:
Fair value of plan assets	138,379	142,808
Fair Value, Inputs, Level 1 [Member] \| U.S. Plans [Member] \| Fixed Income Securities [Member]
Assets:
Fair value of plan assets	40,606	39,063
Fair Value, Inputs, Level 1 [Member] \| U.S. Plans [Member] \| Real Estate Investment Trust Securities [Member]
Assets:
Fair value of plan assets	6,486	6,339
Fair Value, Inputs, Level 1 [Member] \| U.S. Plans [Member] \| Cash and Cash Equivalents [Member]
Assets:
Fair value of plan assets	338	2,143
Fair Value, Inputs, Level 1 [Member] \| Non-U.S. Plans [Member] \| Equity Securities [Member]
Assets:
Fair value of plan assets	6,815	7,751
Fair Value, Inputs, Level 1 [Member] \| Non-U.S. Plans [Member] \| Fixed Income Securities [Member]
Assets:
Fair value of plan assets	10,173	8,538
Fair Value, Inputs, Level 1 [Member] \| Non-U.S. Plans [Member] \| Cash and Cash Equivalents [Member]
Assets:
Fair value of plan assets	18,556	16,172
Fair Value, Inputs, Level 2 [Member]
Assets:
Assets held in rabbi trusts	11,129	10,010
Available for sale securities	0	0
Fair Value Assets	64,365	58,180
Fair Value Assets	64,365	58,180
Liabilities:
Long-term Debt, Fair Value	533,900	624,800
Fair Value, Inputs, Level 2 [Member] \| U.S. Plans [Member] \| Equity Securities [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 [Member] \| U.S. Plans [Member] \| Fixed Income Securities [Member]
Assets:
Fair value of plan assets	53,236	48,170
Fair Value, Inputs, Level 2 [Member] \| U.S. Plans [Member] \| Real Estate Investment Trust Securities [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 [Member] \| U.S. Plans [Member] \| Cash and Cash Equivalents [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 [Member] \| Non-U.S. Plans [Member] \| Equity Securities [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 [Member] \| Non-U.S. Plans [Member] \| Fixed Income Securities [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 [Member] \| Non-U.S. Plans [Member] \| Cash and Cash Equivalents [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member]
Assets:
Assets held in rabbi trusts	0	0
Available for sale securities	0	0
Fair Value Assets	0	0
Fair Value Assets	0	0
Fair Value, Inputs, Level 3 [Member] \| Convertible Senior Debentures, Due 2040 [Member]
Liabilities:
Embedded derivative	(594)	(319)
Fair Value, Inputs, Level 3 [Member] \| Convertible Senior Debentures, Due 2041 [Member]
Liabilities:
Embedded derivative	(392)
Fair Value, Inputs, Level 3 [Member] \| U.S. Plans [Member] \| Equity Securities [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member] \| U.S. Plans [Member] \| Fixed Income Securities [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member] \| U.S. Plans [Member] \| Real Estate Investment Trust Securities [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member] \| U.S. Plans [Member] \| Cash and Cash Equivalents [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member] \| Non-U.S. Plans [Member] \| Equity Securities [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member] \| Non-U.S. Plans [Member] \| Fixed Income Securities [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member] \| Non-U.S. Plans [Member] \| Cash and Cash Equivalents [Member]
Assets:
Fair value of plan assets	$ 0	$ 0

Summary of Quarterly Financial Information (Unaudited) (Details) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2011 USD ($) $ / shares	Oct. 01, 2011 USD ($) $ / shares	Jul. 02, 2011 USD ($) $ / shares	Apr. 02, 2011 USD ($) $ / shares	Dec. 31, 2010 USD ($) $ / shares	Oct. 02, 2010 USD ($) $ / shares	Jul. 04, 2010 USD ($) $ / shares	Apr. 03, 2010 USD ($) $ / shares	Dec. 31, 2011 USD ($) $ / shares	Dec. 31, 2010 USD ($) $ / shares	Dec. 31, 2009 USD ($) $ / shares
Statement of Operations data:
Net revenues	$ 551,391	$ 637,649	$ 709,838	$ 695,151	$ 688,612	$ 694,365	$ 701,655	$ 640,460	$ 2,594,029	$ 2,725,092	$ 2,042,033
Gross profit	125,656	167,477	212,190	214,663	211,501	218,378	210,593	167,013	719,986	807,485	388,161
Operating Income	33,565	75,333	115,505	122,198	120,583	130,903	101,327	65,125	346,601	417,938	(39,185)
Net earnings (loss)	31,202	50,692	82,496	75,607	147,537	90,152	76,965	45,639	239,997	360,293	(56,515)
Net earnings (loss) attributable to noncontrolling interests	250	205	401	320	309	353	306	219	1,176	1,187	673
Net earnings (loss) attributable to Vishay stockholders	$ 30,952	$ 50,487	$ 82,095	$ 75,287	$ 147,228	$ 89,799	$ 76,659	$ 45,420	$ 238,821	$ 359,106	$ (57,188)
Per Share data:
Basic earnings (loss) per share attributable to Vishay stockholders (in dollars per share) \| $ / shares	$ 0.20	$ 0.32	$ 0.51	$ 0.46	$ 0.84	$ 0.48	$ 0.41	$ 0.24	$ 1.49	$ 1.96	$ (0.31)
Diluted earnings (loss) per share attributable to Vishay stockholders (in dollars per share) \| $ / shares	$ 0.19	$ 0.31	$ 0.48	$ 0.43	$ 0.81	$ 0.47	$ 0.40	$ 0.24	$ 1.42	$ 1.89	$ (0.31)
Operating income (loss):
Executive employment agreement charge	$ 0			$ 0	$ 0	$ 0	$ 0	$ 0	$ 5,762	$ 0	$ 57,824
One time tax benefit (expense)	$ 6,538	$ 0	$ 0	$ (10,024)	$ 59,484	$ 0	$ 0	$ 0	$ 10,206	$ (27,635)	$ (6,911)
Quarter end date	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 31, 2010	Oct. 02, 2010	Jul. 03, 2010	Apr. 03, 2010	Dec. 31, 2011
Number of weeks in an interim reporting period									13	13