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Income Taxes (Details) $ in Thousands, kr in Millions | 3 Months Ended
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Apr. 02, 2022 USD ($) | Apr. 02, 2022 NOK (kr) | Apr. 03, 2021 USD ($)
Income Taxes |  |  |
Provision for income taxes | $ 11,689 |  | $ 1,992
Effective income tax rate (as a percent) | 33.80% | 33.80% | (8.60%)
Gross unrecognized tax benefits which would affect the effective tax rate if recognized | $ 4,100 |  |
Reasonably possible amount of decrease in gross unrecognized tax benefits over the next 12 months | (500) |  |
Norwegian Tax Administration | 2013 | Under appeal |  |  |
Income Taxes |  |  |
Estimate of additional income tax expense | $ 16,100 | kr 141.3 |

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