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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2015 | Oct. 03, 2015 | Jul. 04, 2015 | Apr. 04, 2015 | Dec. 31, 2014 | Sep. 27, 2014 | Jun. 28, 2014 | Mar. 29, 2014 | Sep. 28, 2013 | Mar. 30, 2013 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income (loss) from continuing operations before taxes and noncontrolling interests [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  |  |  |  |  |  |  |  |  | $ (40,929) | $ (50,106) | $ (26,065)
Foreign |  |  |  |  |  |  |  |  |  |  | 115,669 | 217,249 | 202,470
Income before taxes |  |  |  |  |  |  |  |  |  |  | 74,740 | 167,143 | 176,405
Current income tax expense: |  |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  |  |  | 290 | (27,031) | (603)
State and local |  |  |  |  |  |  |  |  |  |  | 163 | 386 | 280
Foreign |  |  |  |  |  |  |  |  |  |  | 63,573 | 60,282 | 51,225
Total current income tax expense |  |  |  |  |  |  |  |  |  |  | 64,026 | 33,637 | 50,902
Deferred income tax expense: |  |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  |  |  | 78,933 | 7,999 | 2,215
State and local |  |  |  |  |  |  |  |  |  |  | 311 | 204 | 92
Foreign |  |  |  |  |  |  |  |  |  |  | 39,203 | 7,460 | (573)
Total deferred income tax expense |  |  |  |  |  |  |  |  |  |  | 118,447 | 15,663 | 1,734
Total income tax expense |  |  |  |  |  |  |  |  |  |  | 182,473 | 49,300 | 52,636
Deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Pension and other retiree obligations | $ 40,322 |  |  |  | $ 43,393 |  |  |  |  |  | 40,322 | 43,393 |
Inventories | 7,848 |  |  |  | 8,013 |  |  |  |  |  | 7,848 | 8,013 |
Net operating loss carryforwards | 183,298 |  |  |  | 198,677 |  |  |  |  |  | 183,298 | 198,677 |
Tax credit carryforwards | 23,512 |  |  |  | 25,046 |  |  |  |  |  | 23,512 | 25,046 |
Other accruals and reserves | 35,176 |  |  |  | 32,376 |  |  |  |  |  | 35,176 | 32,376 |
Total gross deferred tax assets | 290,156 |  |  |  | 307,505 |  |  |  |  |  | 290,156 | 307,505 |
Less valuation allowance | (167,932) |  |  |  | (186,614) |  |  |  |  |  | (167,932) | (186,614) |
Deferred tax assets, net | 122,224 |  |  |  | 120,891 |  |  |  |  |  | 122,224 | 120,891 |
Deferred tax liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |
Tax over book depreciation | (4,038) |  |  |  | (10,257) |  |  |  |  |  | (4,038) | (10,257) |
Intangible assets other than goodwill | (3,922) |  |  |  | (20,507) |  |  |  |  |  | (3,922) | (20,507) |
Earnings not permanently reinvested | (162,667) |  |  |  | (25,334) |  |  |  |  |  | (162,667) | (25,334) |
Convertible debentures | (188,978) |  |  |  | (175,935) |  |  |  |  |  | (188,978) | (175,935) |
Other - net | (5,323) |  |  |  | (3,590) |  |  |  |  |  | (5,323) | (3,590) |
Total gross deferred tax liabilities | (364,928) |  |  |  | (235,623) |  |  |  |  |  | (364,928) | (235,623) |
Net deferred tax assets (liabilities) | (242,704) |  |  |  | (114,732) |  |  |  |  |  | (242,704) | (114,732) |
Reconciliation of income tax expense at federal statutory rate to actual income tax provision [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Tax at statutory rate |  |  |  |  |  |  |  |  |  |  | 26,159 | 58,500 | 61,742
State income taxes, net of U.S. federal tax benefit |  |  |  |  |  |  |  |  |  |  | 309 | 384 | 242
Effect of foreign operations |  |  |  |  |  |  |  |  |  |  | (13,212) | (27,372) | (18,696)
Tax on earnings not permanently reinvested |  |  |  |  |  |  |  |  |  |  | 163,699 | 25,728 | 0
Unrecognized tax benefits |  |  |  |  |  |  |  |  |  |  | (1,353) | (21,603) | 2,862
Change in valuation allowance on deferred tax asset |  |  |  |  |  |  |  |  |  |  | (8,888) | 0 | (285)
Foreign income taxable in the U.S. |  |  |  |  |  |  |  |  |  |  | 7,025 | 13,499 | 11,961
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount |  |  |  |  |  |  |  |  |  |  | 8,305 | 0 | 0
Effect of statutory rate changes on deferred tax assets |  |  |  |  |  |  |  |  |  |  | (408) | 226 | (2,867)
Other |  |  |  |  |  |  |  |  |  |  | 837 | (62) | (2,323)
Total income tax expense |  |  |  |  |  |  |  |  |  |  | 182,473 | 49,300 | 52,636
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Discrete Tax Items Included Income Tax Expense | 152,437 | $ 0 | $ 0 | $ 0 | (1,228) | $ 0 | $ 0 | $ 0 | $ (2,867) | $ (1,330) | 152,437 | (1,228) | (4,197)
Discrete Tax Items Repatriation | 163,954 |  |  |  |  |  |  |  |  |  |  |  |
Discrete Tax Items Other | (11,517) |  |  |  |  |  |  |  |  |  |  |  |
Expected repatriation |  |  |  |  |  |  |  |  |  |  | 300,000 | 53,000 |
Income tax uncertainties [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash repatriated during the current period |  |  |  |  |  |  |  |  |  |  | 53,000 |  |
Foreign earnings without provision for US Tax | 2,382,749 |  |  |  |  |  |  |  |  |  | 2,382,749 |  |
Net income taxes paid (refunded) |  |  |  |  |  |  |  |  |  |  | 49,301 | 62,051 | 44,757
Company accrued interest and penalties related to the unrecognized tax benefits | 3,887 |  |  |  | 3,104 |  |  |  |  |  | 3,887 | 3,104 |
Company recognized interest and penalties. |  |  |  |  |  |  |  |  |  |  | 785 | 1,839 | 2,218
Unrecognized tax benefits [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year |  |  |  | $ 26,583 |  |  |  | $ 45,877 |  | $ 51,771 | 26,583 | 45,877 | 51,771
Addition based on tax positions related to the current year |  |  |  |  |  |  |  |  |  |  | 1,439 | 1,641 | 0
Addition based on tax positions related to prior years |  |  |  |  |  |  |  |  |  |  | 1,894 | 6,484 | 4,015
Currency translation adjustments |  |  |  |  |  |  |  |  |  |  | (1,370) | (1,387) | 310
Reduction based on tax positions related to prior years |  |  |  |  |  |  |  |  |  |  | 0 | 0 | (2,054)
Reduction for settlements |  |  |  |  |  |  |  |  |  |  | (4,879) | (3,556) | (7,316)
Reduction for lapses of statute of limitation |  |  |  |  |  |  |  |  |  |  | (140) | (22,476) | (849)
Balance at end of year | 23,527 |  |  |  | $ 26,583 |  |  |  |  |  | 23,527 | 26,583 | $ 45,877
Current Year Earnings [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expected repatriation |  |  |  |  |  |  |  |  |  |  | 20,000 |  |
Prior Year Earnings [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expected repatriation |  |  |  |  |  |  |  |  |  |  | 280,000 |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in Unrecognized Tax Benefits is Reasonably Possible | 110 |  |  |  |  |  |  |  |  |  | 110 |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in Unrecognized Tax Benefits is Reasonably Possible | 5,240 |  |  |  |  |  |  |  |  |  | 5,240 |  |
AUSTRIA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 14,373 |  |  |  |  |  |  |  |  |  | $ 14,373 |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | No expiration |  |
BELGIUM [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 155,397 |  |  |  |  |  |  |  |  |  | $ 155,397 |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | No expiration |  |
BRAZIL [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 10,342 |  |  |  |  |  |  |  |  |  | $ 10,342 |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | No expiration |  |
Germany [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 38,612 |  |  |  |  |  |  |  |  |  | $ 38,612 |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | No expiration |  |
Israel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 44,625 |  |  |  |  |  |  |  |  |  | $ 44,625 |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | No expiration |  |
NETHERLANDS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 23,141 |  |  |  |  |  |  |  |  |  | $ 23,141 |  |
NETHERLANDS [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2016 |  |
NETHERLANDS [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2024 |  |
The Republic of China (Taiwan) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 6,129 |  |  |  |  |  |  |  |  |  | $ 6,129 |  |
The Republic of China (Taiwan) [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2024 |  |
The Republic of China (Taiwan) [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2025 |  |
California [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 54,646 |  |  |  |  |  |  |  |  |  | $ 54,646 |  |
California [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2016 |  |
California [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2035 |  |
Pennsylvania [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 729,897 |  |  |  |  |  |  |  |  |  | $ 729,897 |  |
Pennsylvania [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2018 |  |
Pennsylvania [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2035 |  |
United States [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 72,175 |  |  |  |  |  |  |  |  |  | $ 72,175 |  |
United States [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2033 |  |
United States [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date |  |  |  |  |  |  |  |  |  |  | 2035 |  |
California Research Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Available tax credit carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
California Research Credit | 11,415 |  |  |  |  |  |  |  |  |  | $ 11,415 |  |
Expiration Date |  |  |  |  |  |  |  |  |  |  | No expiration |  |
U.S. Foreign Tax Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Available tax credit carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Federal Alternative Minimum Tax | 11,093 |  |  |  |  |  |  |  |  |  | $ 11,093 |  |
U.S. Foreign Tax Credit [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Available tax credit carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration Date |  |  |  |  |  |  |  |  |  |  | 2020.00 |  |
U.S. Foreign Tax Credit [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Available tax credit carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration Date |  |  |  |  |  |  |  |  |  |  | 2022.00 |  |
BCcomponents acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | $ 57,603 |  |  |  |  |  |  |  |  |  | $ 57,603 |  |
Valuation allowances |  |  |  |  |  |  |  |  |  |  | $ 19,579 | $ 21,833 |

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Name: | us-gaap_BusinessAcquisitionAxis=vsh_BccomponentsAcquisitionMember
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Data Type: | na
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