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Stock-based Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 02, 2021 | Sep. 26, 2020 | Oct. 02, 2021 | Sep. 26, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock based compensation expense | $ 7,316 | $ 8,470 | $ 19,701 | $ 15,554
Income tax benefit | 1,835 | 2,081 | 4,906 | 3,795
Total stock-based compensation expense, net of tax | 5,481 | 6,389 | 14,795 | 11,759
Stock awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock based compensation expense | 6,506 | 7,930 | 17,533 | 13,776
Stock options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock based compensation expense | $ 810 | $ 540 | $ 2,168 | $ 1,778

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