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v2.4.1.9

Restructuring and Related Activities (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 04, 2015 | Mar. 29, 2014 | Dec. 31, 2014 | Dec. 31, 2013
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring and severance costs | $ 1,410 us-gaap_RestructuringCharges | $ 6,404 us-gaap_RestructuringCharges |  |
Expected Restructuring Costs | 32,000 us-gaap_RestructuringAndRelatedCostExpectedCost1 |  |  |
MOSFETs Enhanced Competitiveness Program [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Reserve, Current | 8,195 us-gaap_RestructuringReserveCurrent / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring and severance costs | 1,353 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember | 1,727 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember | 6,025 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember | 2,328 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember
Cash paid | (388)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember |  | (856)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember | (267)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember
Balance at end of period | 8,195 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember |  | 7,230 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember | 2,061 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember
Balance at beginning of period | 7,230 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember | 2,061 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember | 2,061 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember |
Term of restructuring program | 2 years |  |  |
Expected Restructuring Costs | 16,000 us-gaap_RestructuringAndRelatedCostExpectedCost1 / us-gaap_RestructuringPlanAxis = vsh_MosfetsEnhancedCompetitivenessProgramMember |  |  |
Voluntary Separation/Retirement Program [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Reserve, Current | 3,229 us-gaap_RestructuringReserveCurrent / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring and severance costs | 57 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember | 4,677 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember | 12,792 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember | 486 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember
Cash paid | (1,216)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember |  | (8,054)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember | (98)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember
Foreign currency translation | (286)us-gaap_RestructuringReserveTranslationAdjustment / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember |  | (455)us-gaap_RestructuringReserveTranslationAdjustment / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember | 3 us-gaap_RestructuringReserveTranslationAdjustment / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember
Balance at end of period | 3,229 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember |  | 4,674 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember | 391 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember
Balance at beginning of period | 4,674 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember | 391 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember | 391 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_VoluntarySeparationRetirementProgramMember |
Modules Product Transfer [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Reserve, Current | 842 us-gaap_RestructuringReserveCurrent / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring and severance costs | 0 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember | 0 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember | 2,080 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember |
Cash paid | (525)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember |  | (464)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember |
Foreign currency translation | (128)us-gaap_RestructuringReserveTranslationAdjustment / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember |  | (121)us-gaap_RestructuringReserveTranslationAdjustment / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember |
Balance at end of period | 842 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember |  | 1,495 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember |
Balance at beginning of period | $ 1,495 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = vsh_ModulesProductTransferMember |  |  |

X
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + 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 + Details
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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 Reference 3: 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=27011515&loc=d3e140904-122747 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + 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 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: 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=27011515&loc=d3e140904-122747 Reference 4: 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=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: 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=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 4 Reference 2: 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 + Details
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- Definition Amount of foreign currency translation adjustment increasing or decreasing the accrual for a specified type of restructuring cost. + 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 Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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