GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 761.7	$ 741.2
Accumulated Amortization	(479.3)	(438.3)
Total	$ 282.4	$ 302.9
Intangible assets weighted average life	11 years	11 years
Customer contracts and relationships
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 748.2	$ 714.1
Accumulated Amortization	(467.2)	(413.2)
Total	281.0	300.9
Trademarks and trade names
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	12.7	12.1
Accumulated Amortization	(11.7)	(11.1)
Total	1.0	1.0
Contract rights and other
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	0.7	15.0
Accumulated Amortization	(0.3)	(14.0)
Total	$ 0.5	$ 1.1