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Derivative Instruments - Effect on Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 02, 2021
Mar. 27, 2020
Apr. 02, 2021
Mar. 27, 2020
Derivative [Line Items]        
Interest rate swap agreements $ (7,843) $ (16,046) $ (19,669) $ (14,346)
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swap agreements        
Derivative [Line Items]        
Interest rate swap agreements $ 12,169 $ (92,256) $ 10,927 $ (85,330)