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Product Warranties - Product Warranty Activity (Detail) - USD ($)
$ in Millions
6 Months Ended
Mar. 26, 2022
Mar. 27, 2021
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Balance at Beginning of Period $ 8.8 $ 9.9
Provisions 3.7 4.8
Settlements/ Adjustments (4.1) (5.3)
Balance at End of Period $ 8.4 $ 9.4