GOODWILL AND OTHER INTANGIBLE ASSETS - Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 838.4	$ 814.1
Accumulated Amortization	(459.8)	(389.3)
Total	$ 378.5	$ 424.8
Intangible assets weighted average life	11 years	11 years
Customer contracts and relationships
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 801.6	$ 793.8
Accumulated Amortization	(442.1)	(378.5)
Total	359.6	415.3
Trademarks and trade names
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	21.4	19.8
Accumulated Amortization	(15.4)	(10.4)
Total	6.1	9.5
Contract Rights And Other [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	15.3	0.5
Accumulated Amortization	(2.4)	(0.4)
Total	$ 12.9	$ 0.1