LEASES - Cash Flow (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used for operating liabilities	$ 17.0	$ 15.3	$ 48.1	$ 49.4
Financing cash flows used for finance leases	1.2	0.3	2.9	0.9
Leased assets obtained in exchange for new lease liabilities:
Leased assets obtained in exchange for new operating lease liabilities	5.7	3.9	52.9	15.9
Leased assets obtained in exchange for new finance lease liabilities	$ 2.4	$ 0.1	$ 36.1	$ 0.4