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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Apr. 04, 2021 | Mar. 29, 2020 | Dec. 31, 2020
Income Tax Contingency [Line Items] |  |  |
Discrete tax benefit related to stock options | 7.00% | 7.00% |
Discrete tax expense (benefit) related to tax return filings | 1.00% |  |
Effective tax rate excluding discrete items (as a percent) | 18.00% | 17.00% |
Decrease in reserves for income taxes, net of deferred tax benefit | $ 478 |  |
Interest and penalties included in reserve | $ 183 |  |
Income tax expense at U.S. federal statutory corporate tax rate | 21.00% | 21.00% |
Decrease in effective tax rate | 5.00% | 6.00% |
Liability for uncertain tax positions | $ 15,780 |  |
Reserve for income taxes classified as a noncurrent iability | 14,752 |  | $ 14,257
Increase to non-current deferred tax liability | 1,028 |  |
Interest and penalties, gross | 1,528 |  |
Minimum Decrease In Income Tax Expense Due To Release In Reserves | 450 |  |
Maxiumum Decrease In Income Tax Expense Due To Release In Reserves | $ 500 |  |
Tax years open to examination by Internal Revenue Service | 2017 through 2019 |  |
Tax years open to examination by various taxing authorities for other entities | 2016 through 2019 |  |
Foreign Tax Authority | Revenue Commissioners, Ireland |  |  |
Income Tax Contingency [Line Items] |  |  |
Income tax expense at U.S. federal statutory corporate tax rate | 12.50% |  |
Foreign Tax Authority | State Administration of Taxation, China |  |  |
Income Tax Contingency [Line Items] |  |  |
Income tax expense at U.S. federal statutory corporate tax rate | 25.00% |  |
Foreign Tax Authority | KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF |  |  |
Income Tax Contingency [Line Items] |  |  |
Income tax expense at U.S. federal statutory corporate tax rate | 25.00% |  |
Domestic Tax Authority |  |  |
Income Tax Contingency [Line Items] |  |  |
Income tax expense at U.S. federal statutory corporate tax rate | 21.00% |  |

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