XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Restructuring and Related Activities (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 01, 2017 | Jul. 02, 2016 | Jul. 01, 2017 | Jul. 02, 2016 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Restructuring and severance costs | $ 481 | $ 4,467 | $ 1,950 | $ 10,942 |  |  |  |
MOSFETs Enhanced Competitiveness Program [Member] |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring Reserve, Current | 3,324 |  | 3,324 |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Restructuring and severance costs | 28 | 1,110 | 448 | 5,025 | $ 9,744 | $ 5,367 | $ 6,025 | $ 2,328
Cash paid |  |  | (3,356) |  | (15,686) | (426) | (856) | (267)
Foreign currency translation |  |  |  |  | 2 | 1 |  |
Balance at end of period | $ 3,324 |  | 3,324 |  | 6,232 | 12,172 | 7,230 | $ 2,061
Balance at beginning of period |  |  | 6,232 | 12,172 | 12,172 | 7,230 | $ 2,061 |
Term of restructuring program | 2 years |  |  |  |  |  |  |
Other Exit Costs |  |  | 80 |  |  |  |  |
MOSFETs Enhanced Competitiveness Program [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Expected Restructuring Costs | $ 24,000 |  | 24,000 |  |  |  |  |
MOSFETs Enhanced Competitiveness Program [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Expected Restructuring Costs | 27,000 |  | 27,000 |  |  |  |  |
Voluntary Separation/Retirement Program [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Restructuring cost incurred to date | 13,373 |  | 13,373 |  |  |  |  |
Global Cost Reduction Program [Member] |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring Reserve, Current | 2,633 |  | 2,633 |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Restructuring and severance costs | 453 | 3,357 | 1,502 | 5,917 | 9,918 | 13,753 |  |
Cash paid |  |  | (4,728) |  | (16,237) | (986) |  |
Foreign currency translation |  |  | 237 |  | (34) | (150) |  |
Balance at end of period | $ 3,275 |  | 3,275 |  | 6,264 | $ 12,617 |  |
Balance at beginning of period |  |  | 6,264 | 12,617 | $ 12,617 |  |  |
Term of restructuring program | 27 months |  |  |  |  |  |  |
Expected Restructuring Costs | $ 30,000 |  | 30,000 |  |  |  |  |
Global Cost Reduction Program [Member] | Diodes Segment [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Restructuring and severance costs | 13 | 130 | 13 | 578 |  |  |  |
Global Cost Reduction Program [Member] | Optoelectronic Components Segment [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Restructuring and severance costs | 242 | 775 | 242 | 953 |  |  |  |
Global Cost Reduction Program [Member] | Resistors And Inductors Segment [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Restructuring and severance costs | 84 | 1,504 | 935 | 2,522 |  |  |  |
Global Cost Reduction Program [Member] | Capacitors Segment [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Restructuring and severance costs | 85 | 89 | 246 | 423 |  |  |  |
Global Cost Reduction Program [Member] | Unallocated Amount to Segment [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Restructuring and severance costs | $ 29 | $ 859 | 66 | $ 1,441 |  |  |  |
MOSFETs Enhanced Competitiveness Program Extension [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Term of restructuring program | 15 months |  |  |  |  |  |  |
MOSFETs Enhanced Competitiveness Program Extension [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Expected Restructuring Costs | $ 4,000 |  | 4,000 |  |  |  |  |
MOSFETs Enhanced Competitiveness Program Extension [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Expected Restructuring Costs | $ 8,000 |  | $ 8,000 |  |  |  |  |

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, 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 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 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)) -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) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: 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=66902209&loc=d3e3602-108585 + Details
Name: | us-gaap_BusinessExitCosts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForRestructuring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of costs incurred to date 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 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
Name: | us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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 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
Name: | us-gaap_RestructuringAndRelatedCostExpectedCost1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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 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 2: 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=66902209&loc=d3e3602-108585 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) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: 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
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 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
Name: | us-gaap_RestructuringReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 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 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
Name: | us-gaap_RestructuringReserveCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_RestructuringReserveRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve. + 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)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 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)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
Name: | us-gaap_RestructuringReserveTranslationAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The term of the restructuring program. + References No definition available. + Details
Name: | vsh_TermOfRestructuringProgram
Namespace Prefix: | vsh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=vsh_MosfetsEnhancedCompetitivenessProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=vsh_VoluntarySeparationRetirementProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=vsh_Two015RestructuringProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsh_DiodesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsh_OptoelectronicComponentsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsh_ResistorsAndInductorsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsh_CapacitorsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_MaterialReconcilingItemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=vsh_MOSFETsEnhancedCompetitivenessProgramExtensionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |