Leases - Lease Expense Incurred (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Leases [Abstract]
Operating lease expense	$ 24.0	$ 22.6	$ 20.4
Short-term lease expense	4.5	4.5	2.9
Variable lease expense	0.0	0.0	0.1
Total lease expense	$ 28.5	$ 27.1	$ 23.4