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Stock-based Compensation Expense (Tables)
 6 Months Ended
Jul. 03, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense
Total stock-based compensation expense was as follows (in thousands):
Three Months EndedSix Months Ended
July 3,
2021		June 27,
2020		July 3,
2021		June 27,
2020
Stock awards$5,218 $4,440 11,027 $5,846 
Stock options750 593 1,358 1,238 
Total stock-based compensation expense (1)
5,968 5,033 12,385 7,084 
Income tax benefit1,473 1,218 3,071 1,714 
Total stock-based compensation expense, net of tax$4,495 $3,815 $9,314 $5,370 
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(1) Changes in stock-based compensation expense reflect the cumulative impact of the change in the expected achievements of certain performance targets.