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Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Goodwill [Roll Forward] |  |  |
Balance at beginning of period | $ 43,132 us-gaap_Goodwill | $ 34,866 us-gaap_Goodwill |
Exchange rate effects | (1,950)us-gaap_GoodwillTranslationAdjustments | 281 us-gaap_GoodwillTranslationAdjustments |
Goodwill impairment | 0 us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss
Balance at end of period | 144,359 us-gaap_Goodwill | 43,132 us-gaap_Goodwill | 34,866 us-gaap_Goodwill
Finite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-Lived Trade Names | 20,359 us-gaap_IndefiniteLivedTradeNames | 20,359 us-gaap_IndefiniteLivedTradeNames |
Intangible Assets Subject to Amortization | 357,307 us-gaap_FiniteLivedIntangibleAssetsGross | 286,086 us-gaap_FiniteLivedIntangibleAssetsGross |
Accumulated amortization | (191,053)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | (176,494)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
Net Intangible Assets Subject to Amortization | 166,254 us-gaap_FiniteLivedIntangibleAssetsNet | 109,592 us-gaap_FiniteLivedIntangibleAssetsNet |
Intangible assets, net | 186,613 us-gaap_IntangibleAssetsNetExcludingGoodwill | 129,951 us-gaap_IntangibleAssetsNetExcludingGoodwill |
Amortization expense (excluding capitalized software) | 18,651 us-gaap_AmortizationOfIntangibleAssets | 15,068 us-gaap_AmortizationOfIntangibleAssets | 14,754 us-gaap_AmortizationOfIntangibleAssets
Finite Lived Intangible Assets Future Amortization Expense [Abstract] |  |  |
2015 | 27,235 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths |  |
2016 | 25,593 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo |  |
2017 | 21,757 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree |  |
2018 | 18,377 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour |  |
2019 | 14,396 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive |  |
Patents and Acquired Technology [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible Assets Subject to Amortization | 108,190 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember | 92,842 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember |
Accumulated amortization | (71,700)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember | (66,337)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember |
Capitalized Software [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible Assets Subject to Amortization | 53,369 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_ComputerSoftwareIntangibleAssetMember | 55,893 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_ComputerSoftwareIntangibleAssetMember |
Accumulated amortization | (45,979)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_ComputerSoftwareIntangibleAssetMember | (50,006)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_ComputerSoftwareIntangibleAssetMember |
Customer Relationships [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible Assets Subject to Amortization | 153,853 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember | 99,558 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Accumulated amortization | (50,630)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember | (40,727)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Tradenames [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible Assets Subject to Amortization | 39,612 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | 35,845 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Accumulated amortization | (21,384)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | (18,560)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Non-competition Agreements [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible Assets Subject to Amortization | 2,283 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember | 1,948 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember |
Accumulated amortization | (1,360)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember | (864)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember |
HiRel Systems [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period |  |  | 25,815 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_HirelSystemsMember
Other intangible assets related to acquisitions |  |  | 43,950 us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_BusinessAcquisitionAxis = vsh_HirelSystemsMember
MCB Industrie [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period |  | 7,985 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_McbIndustrieMember |
Other intangible assets related to acquisitions |  | 5,433 us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_BusinessAcquisitionAxis = vsh_McbIndustrieMember |
Capella Microsystems (Taiwan) Inc. [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period | 96,849 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_CapellaMicrosystemsTaiwanIncMember |  |
Holy Stone Polytech [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period | 6,328 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_HolyStonePolytechMember |  |
Other intangible assets related to acquisitions | 3,736 us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_BusinessAcquisitionAxis = vsh_HolyStonePolytechMember |  |
Resistors And Inductors Segment [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Balance at beginning of period | 43,132 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_ResistorsAndInductorsSegmentMember | 34,866 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_ResistorsAndInductorsSegmentMember |
Exchange rate effects | (986)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = vsh_ResistorsAndInductorsSegmentMember | 281 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = vsh_ResistorsAndInductorsSegmentMember |
Balance at end of period | 42,146 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_ResistorsAndInductorsSegmentMember | 43,132 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_ResistorsAndInductorsSegmentMember |
Resistors And Inductors Segment [Member] | MCB Industrie [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period |  | 7,985 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_McbIndustrieMember / us-gaap_StatementBusinessSegmentsAxis = vsh_ResistorsAndInductorsSegmentMember |
Resistors And Inductors Segment [Member] | Capella Microsystems (Taiwan) Inc. [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_CapellaMicrosystemsTaiwanIncMember / us-gaap_StatementBusinessSegmentsAxis = vsh_ResistorsAndInductorsSegmentMember |  |
Resistors And Inductors Segment [Member] | Holy Stone Polytech [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_HolyStonePolytechMember / us-gaap_StatementBusinessSegmentsAxis = vsh_ResistorsAndInductorsSegmentMember |  |
Capacitors Segment [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Balance at beginning of period | 0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_CapacitorsSegmentMember | 0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_CapacitorsSegmentMember |
Exchange rate effects | (964)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = vsh_CapacitorsSegmentMember | 0 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = vsh_CapacitorsSegmentMember |
Balance at end of period | 5,364 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_CapacitorsSegmentMember | 0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_CapacitorsSegmentMember |
Capacitors Segment [Member] | MCB Industrie [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period |  | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_McbIndustrieMember / us-gaap_StatementBusinessSegmentsAxis = vsh_CapacitorsSegmentMember |
Capacitors Segment [Member] | Capella Microsystems (Taiwan) Inc. [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_CapellaMicrosystemsTaiwanIncMember / us-gaap_StatementBusinessSegmentsAxis = vsh_CapacitorsSegmentMember |  |
Capacitors Segment [Member] | Holy Stone Polytech [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period | 6,328 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_HolyStonePolytechMember / us-gaap_StatementBusinessSegmentsAxis = vsh_CapacitorsSegmentMember |  |
Optoelectronic Components Segment [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Balance at beginning of period | 0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_OptoelectronicComponentsSegmentMember | 0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_OptoelectronicComponentsSegmentMember |
Exchange rate effects | 0 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = vsh_OptoelectronicComponentsSegmentMember | 0 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = vsh_OptoelectronicComponentsSegmentMember |
Balance at end of period | 96,849 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_OptoelectronicComponentsSegmentMember | 0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = vsh_OptoelectronicComponentsSegmentMember |
Optoelectronic Components Segment [Member] | MCB Industrie [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period |  | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_McbIndustrieMember / us-gaap_StatementBusinessSegmentsAxis = vsh_OptoelectronicComponentsSegmentMember |
Optoelectronic Components Segment [Member] | Capella Microsystems (Taiwan) Inc. [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period | 96,849 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_CapellaMicrosystemsTaiwanIncMember / us-gaap_StatementBusinessSegmentsAxis = vsh_OptoelectronicComponentsSegmentMember |  |
Optoelectronic Components Segment [Member] | Holy Stone Polytech [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill acquired during period | $ 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = vsh_HolyStonePolytechMember / us-gaap_StatementBusinessSegmentsAxis = vsh_OptoelectronicComponentsSegmentMember |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: 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=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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