GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 775.5	$ 761.7
Accumulated Amortization	(532.2)	(479.3)
Total	$ 243.2	$ 282.4
Intangible assets weighted average life	11 years	11 years
Customer contracts and relationships
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 761.7	$ 748.2
Accumulated Amortization	(518.7)	(467.2)
Total	242.9	281.0
Trademarks and trade names
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	13.1	12.7
Accumulated Amortization	(12.8)	(11.7)
Total	0.3	1.0
Contract rights and other
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	0.7	0.7
Accumulated Amortization	(0.7)	(0.3)
Total	$ 0.0	$ 0.5