Income Taxes - Schedule of Components of the Provisions for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Current provision:
Federal	$ 94.9	$ 94.4	$ 94.7
State	18.5	17.0	19.1
Foreign	8.4	7.3	7.7
Total current provision	121.8	118.7	121.5
Deferred (benefit) provision:
Federal	(23.6)	(37.8)	(7.4)
State	(4.6)	(10.3)	(4.9)
Foreign	0.3	0.2	0.0
Total deferred benefit	(27.9)	(47.9)	(12.3)
Total provision for income taxes	$ 93.9	$ 70.8	$ 109.2