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v3.19.3.a.u2

Summary of Significant Accounting Policies (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) | Sep. 28, 2019 USD ($) | Jun. 29, 2019 USD ($) | Mar. 30, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 29, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) Obligation | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Summary of Significant Accounting Policies [Abstract] |  |  |  |  |  |  |  |  |  |  |
Minimum ownership of entities that do not have a non-controlling interest (in hundredths) | 100.00% |  |  |  |  |  |  |  | 100.00% |  |
Revenue Recognition [Abstract] |  |  |  |  |  |  |  |  |  |  |
Number of performance obligations | Obligation |  |  |  |  |  |  |  |  | 2 |  |
Research and Development Expenses [Abstract] |  |  |  |  |  |  |  |  |  |  |
Research and development expense |  |  |  |  |  |  |  |  | $ 69,827 | $ 72,885 | $ 67,153
Cash, Cash Equivalents, and Short-Term Investments [Abstract] |  |  |  |  |  |  |  |  |  |  |
Minimum number of months until maturity from original purchase date for a highly liquid investment to be considered a short-term investment (in months) |  |  |  |  |  |  |  |  | 3 months |  |
Allowance for Doubtful Accounts [Abstract] |  |  |  |  |  |  |  |  |  |  |
Bad debt expense |  |  |  |  |  |  |  |  | $ (592) | 2,570 | 301
Property and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |
Estimated cost to complete construction in progress | $ 92,000 |  |  |  |  |  |  |  | 92,000 |  |
Depreciation expense |  |  |  |  |  |  |  |  | 155,985 | 150,056 | 148,883
Goodwill and Other Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Indefinite-lived intangible assets | 0 |  |  |  | $ 0 |  |  |  | 0 | 0 |
Self-Insurance Programs [Abstract] |  |  |  |  |  |  |  |  |  |  |
Outstanding claim accrual | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
Cash and investments restricted for potential insurance claims | 10,259 |  |  |  | 11,046 |  |  |  | 10,259 | 11,046 |
Recent Accounting Pronouncements [Abstract] |  |  |  |  |  |  |  |  |  |  |
Right of use assets | 93,162 |  |  |  | 0 |  |  |  | 93,162 | 0 |
Lease liabilities | 98,728 |  |  |  |  |  |  |  | 98,728 |  |
Proceeds from sale of property and equipment |  |  |  |  |  |  |  |  | 577 | 55,561 | 1,685
Net revenues | 609,577 | $ 628,329 | $ 685,240 | $ 745,159 | 775,892 | $ 780,972 | $ 761,030 | $ 716,795 | 2,668,305 | 3,034,689 | 2,599,368
Costs of products sold |  |  |  |  |  |  |  |  | 1,997,105 | 2,146,165 | 1,896,259
Gross profit | 135,361 | 150,079 | 174,601 | 211,159 | 219,690 | 236,296 | 227,238 | 205,300 | 671,200 | 888,524 | 703,109
Operating Income | 24,178 | 51,028 | 79,489 | 107,735 | 119,667 | 138,098 | 123,293 | 104,062 | 262,430 | 485,120 | 324,005
Total other income (expense) |  |  |  |  |  |  |  |  | (36,132) | (68,344) | (44,641)
Income before taxes |  |  |  |  |  |  |  |  | 226,298 | 416,776 | 279,364
Income tax expense |  |  |  |  |  |  |  |  | 61,508 | 70,239 | 298,924
Net earnings (loss) | 14,149 | 30,265 | 44,735 | 75,641 | 102,659 | 78,071 | 103,262 | 62,545 | 164,790 | 346,537 | (19,560)
Less: net earnings attributable to noncontrolling interests | 187 | 227 | 258 | 182 | 240 | 195 | 165 | 179 | 854 | 779 | 784
Net earnings attributable to Vishay stockholders | $ 13,962 | $ 30,038 | $ 44,477 | $ 75,459 | 102,419 | $ 77,876 | $ 103,097 | $ 62,366 | $ 163,936 | 345,758 | $ (20,344)
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue Recognition [Abstract] |  |  |  |  |  |  |  |  |  |  |
Payment terms of sales |  |  |  |  |  |  |  |  | 60 days |  |
Collection period of receivables |  |  |  |  |  |  |  |  | 12 months |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-12-31 | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue Recognition [Abstract] |  |  |  |  |  |  |  |  |  |  |
Expected timing of satisfaction of performance obligation | 24 months |  |  |  |  |  |  |  | 24 months |  |
Machinery and Equipment [Member] |  |  |  |  |  |  |  |  |  |  |
Recent Accounting Pronouncements [Abstract] |  |  |  |  |  |  |  |  |  |  |
Right of use assets | $ 5,473 |  |  |  |  |  |  |  | $ 5,473 |  |
Machinery and Equipment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Property and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  |  |  |  |  | 7 years |  |
Machinery and Equipment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Property and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  |  |  |  |  | 10 years |  |
Building and Building Improvements [Member] |  |  |  |  |  |  |  |  |  |  |
Recent Accounting Pronouncements [Abstract] |  |  |  |  |  |  |  |  |  |  |
Right of use assets | 87,689 |  |  |  |  |  |  |  | $ 87,689 |  |
Building and Building Improvements [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Property and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  |  |  |  |  | 20 years |  |
Building and Building Improvements [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Property and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  |  |  |  |  | 40 years |  |
Patents and Acquired Technology [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 7 years |  |
Patents and Acquired Technology [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 25 years |  |
Capitalized Software [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 3 years |  |
Capitalized Software [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 10 years |  |
Customer Relationships [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 5 years |  |
Customer Relationships [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 20 years |  |
Non-competition Agreements [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 3 years |  |
Non-competition Agreements [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 10 years |  |
Adjustments for New Accounting Pronouncement [Member] |  |  |  |  |  |  |  |  |  |  |
Recent Accounting Pronouncements [Abstract] |  |  |  |  |  |  |  |  |  |  |
Right of use assets |  |  |  |  | 91,462 |  |  |  |  | 91,462 |
Lease liabilities |  |  |  |  | 95,784 |  |  |  |  | 95,784 |
Adjustments for New Accounting Pronouncement [Member] | Machinery and Equipment [Member] |  |  |  |  |  |  |  |  |  |  |
Recent Accounting Pronouncements [Abstract] |  |  |  |  |  |  |  |  |  |  |
Right of use assets |  |  |  |  | 5,404 |  |  |  |  | 5,404 |
Adjustments for New Accounting Pronouncement [Member] | Building and Building Improvements [Member] |  |  |  |  |  |  |  |  |  |  |
Recent Accounting Pronouncements [Abstract] |  |  |  |  |  |  |  |  |  |  |
Right of use assets |  |  |  |  | 86,058 |  |  |  |  | 86,058 |
Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |  |  |  |  |
Recent Accounting Pronouncements [Abstract] |  |  |  |  |  |  |  |  |  |  |
New accounting pronouncement future impact on retained earnings | $ 1,070 |  |  |  |  |  |  |  | $ 1,070 |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |  |  |  |  |  |  |
Recent Accounting Pronouncements [Abstract] |  |  |  |  |  |  |  |  |  |  |
Right of use assets |  |  |  |  | 91,462 |  |  |  |  | 91,462 |
Lease liabilities |  |  |  |  | 95,784 |  |  |  |  | 95,784 |
Proceeds from sale of property and equipment |  |  |  |  | 45,500 |  |  |  |  |  |
Cumulative effect of accounting change for adoption of ASU |  |  |  |  | $ 23,013 |  |  |  |  | $ 23,013 |

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