BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 1,991.3	$ 1,936.2
Management Reimbursement Revenue
Segment Reporting Information [Line Items]
Revenues	$ 72.4	$ 64.9