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Stock-based Compensation Expense
 9 Months Ended
Oct. 02, 2021
Share-based Payment Arrangement [Abstract]  
Stock-based Compensation Expense Stock-based Compensation Expense
Total stock-based compensation expense was as follows (in thousands):
Three Months EndedNine Months Ended
October 2,
2021		September 26,
2020		October 2,
2021		September 26,
2020
Stock awards$6,506 $7,930 17,533 $13,776 
Stock options810 540 2,168 1,778 
Total stock-based compensation expense (1)
7,316 8,470 19,701 15,554 
Income tax benefit1,835 2,081 4,906 3,795 
Total stock-based compensation expense, net of tax$5,481 $6,389 $14,795 $11,759 
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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.