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Product Warranties - Product Warranty Activity (Detail) - USD ($)
$ in Millions
9 Months Ended
Jun. 25, 2022
Jun. 26, 2021
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Balance at Beginning of Period $ 8.8 $ 9.9
Provisions 5.1 6.1
Standard and Extended Product Warranty Accrual, Additions from Business Acquisition 0.0 0.3
Settlements/ Adjustments (5.3) (6.7)
Balance at End of Period $ 8.6 $ 9.6