REVENUES - Schedule of Contract Asset and Liability (Details) - USD ($)	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Revenue from Contract with Customer [Abstract]
Billed trade receivables	$ 1,219,600,000	$ 1,138,800,000
Unbilled trade receivables	170,400,000	162,500,000
Costs incurred in excess of amounts billed	139,200,000	75,800,000
Capitalized commissions	30,200,000	$ 30,900,000
Capitalized contract price	14,500,000
Amortization of previously capitalized contract costs	15,200,000
Impairment loss recorded on costs capitalized	0
Contract with Customer, Liabilities [Roll Forward]
Contract liabilities, balance at beginning of period	79,600,000
Additional contract liabilities	335,900,000
Recognition of deferred revenue	(274,300,000)
Contract liabilities, balance at end of period	$ 141,200,000