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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 04, 2021
Mar. 29, 2020
Apr. 04, 2021
Mar. 29, 2020
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense $ 19.8 $ 16.9 $ 37.0 $ 34.0