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Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 27, 2020 | Jun. 29, 2019 | Jun. 27, 2020 | Jun. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock based compensation expense | $ 5,033 | $ 4,250 | $ 7,084 | $ 7,888
Income tax benefit | 1,218 | 1,066 | 1,714 | 1,964
Total stock-based compensation expense, net of tax | 3,815 | 3,184 | 5,370 | 5,924
Stock awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock based compensation expense | 4,440 | 3,696 | 5,846 | 6,729
Stock options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock based compensation expense | $ 593 | $ 554 | $ 1,238 | $ 1,159

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