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Warranties - Schedule of Changes in Warranty Liability (Detail) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Guarantees [Abstract]    
Balance at beginning of period $ 39.1 $ 31.9
Warranty provisions 9.0 6.2
Settlements made (9.3) (7.0)
Change in liability of pre-existing warranties (0.6)  
Divestiture (Note 7) (1.1)  
Balance at end of period $ 37.1 $ 31.1