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Stock-Based Compensation - Based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 02, 2021
Jul. 03, 2020
Jul. 02, 2021
Jul. 03, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense $ 28,035 $ 16,154 $ 62,688 $ 30,136
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 5,902 5,301 10,596 10,295
Restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 15,412 8,599 27,081 16,396
Performance stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 4,698 1,429 22,645 1,925
ESPP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense $ 2,023 $ 825 $ 2,366 $ 1,520