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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 04, 2021 | Jun. 28, 2020 | Jul. 04, 2021 | Jun. 28, 2020 | Dec. 31, 2020
Income Tax Contingency [Line Items] |  |  |  |  |
Discrete tax benefit related to stock options | 2.00% | 191.00% | 4.00% | 29.00% |
Discrete tax expense related to tax return filings | 1.00% | 141.00% | 0.00% | 17.00% |
Effective tax rate excluding discrete items (as a percent) | 18.00% | 1.00% | 18.00% | 19.00% |
Decrease in reserves for income taxes, net of deferred tax benefit |  |  | $ 935 |  |
Interest and penalties included in reserve |  |  | $ 370 |  |
Income tax expense (benefit) at U.S. federal statutory corporate tax rate | 21.00% | (21.00%) | 21.00% | 21.00% |
Decrease in effective tax rate | 5.00% | (5.00%) | 5.00% | 5.00% |
Liability for uncertain tax positions | $ 16,255 |  | $ 16,255 |  |
Reserve for income taxes classified as a noncurrent iability | 15,227 |  | 15,227 |  | $ 14,257
Increase to non-current deferred tax liability |  |  | 1,028 |  |
Minimum Decrease In Income Tax Expense Due To Release In Reserves | 450 |  | 450 |  |
Maxiumum Decrease In Income Tax Expense Due To Release In Reserves | $ 500 |  | $ 500 |  |
Tax years open to examination by Internal Revenue Service |  |  | 2017 through 2020 |  |
Tax years open to examination by various taxing authorities for other entities |  |  | 2016 through 2020 |  |
Foreign Tax Authority | Revenue Commissioners, Ireland |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Income tax expense (benefit) 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 (benefit) 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 (benefit) at U.S. federal statutory corporate tax rate | 25.00% |  |  |  |
Domestic Tax Authority |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Income tax expense (benefit) at U.S. federal statutory corporate tax rate | 21.00% |  |  |  |

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