Leases - Schedule of Lease Expense Incurred (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Leases [Abstract]
Operating lease expense	$ 28.5	$ 36.1	$ 24.0
Short-term lease expense	11.6	4.3	4.5
Variable lease expense	2.2	0.2	0.0
Total lease expense	$ 42.3	$ 40.6	$ 28.5