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Share Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 29, 2021
Jun. 30, 2020
Jun. 29, 2021
Jun. 30, 2020
Share-based Compensation        
Share-based compensation expense $ 9,909 $ 7,243 $ 19,817 $ 14,490
Labor expense        
Share-based Compensation        
Share-based compensation expense 2,495 2,532 5,079 4,920
General and administrative expense        
Share-based Compensation        
Share-based compensation expense $ 7,414 $ 4,711 $ 14,738 $ 9,570