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Fair Value Measurements - Financial Assets and Liabilities (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 29, 2021
USD ($)
Jun. 29, 2021
USD ($)
item
Dec. 29, 2020
USD ($)
Fair value of financial instruments      
Transfer of asset levels within the fair value hierarchy $ 0 $ 0  
Minimum number of investment funds in rabbi trust for deferred compensation plan | item   1  
Fair value measured on a recurring basis | Level 1      
Fair value of financial instruments      
Deferred compensation plan - assets 62,948 $ 62,948 $ 55,633
Deferred compensation plan - liabilities $ (62,868) $ (62,868) $ (55,614)