INCOME TAXES - Provision for Income Taxes (Details) - USD ($) $ in Millions	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Current
Federal										$ 21.8	$ 41.2	$ 61.7
State and local										11.1	7.4	15.6
Non-U.S.										60.2	59.8	49.1
Total Current										93.1	108.4	126.4
Deferred
Federal										(40.0)	(61.5)	(18.8)
State and local										2.0	(12.7)	(8.6)
Non-U.S.										9.7	(12.0)	(0.9)
Total Deferred										(28.3)	(86.2)	(28.3)
Tax expense	$ 26.8	$ 11.8	$ 23.6	$ 2.6	$ 6.2	$ 33.5	$ 21.3	$ (38.8)	$ 18.9	$ 64.8	$ 22.2	$ 98.1