Warranties - Schedule of Changes in Warranty Liability (Detail) - USD ($) $ in Millions	9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Guarantees [Abstract]
Balance at beginning of period	$ 39.1	$ 31.9
Warranty provisions	30.3	26.3
Settlements made	(30.0)	(23.0)
Divestiture (Note 7)	(1.1)
Balance at end of period	$ 38.3	$ 35.2