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Fair Value Measurements (Details) - USD ($)
$ in Thousands
Mar. 30, 2021
Dec. 29, 2020
Minimum    
Assets (Liabilities) at fair value    
Undiscounted range of out comes $ 0  
Maximum    
Assets (Liabilities) at fair value    
Undiscounted range of out comes 32,000  
Level 1    
Assets (Liabilities) at fair value    
Non-qualified deferred compensation assets 85,596 $ 83,485
Non-qualified deferred compensation liabilities (84,418) (83,702)
Level 2    
Assets (Liabilities) at fair value    
Acquisition-related deferred consideration (38,326) (38,119)
Interest rate swap (2,288) (4,591)
Level 3    
Assets (Liabilities) at fair value    
Acquisition-related contingent consideration and compensation liabilities $ (7,706) $ (7,465)