v3.25.1
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2025
Apr. 30, 2024
Segment Reporting Information [Line Items]        
Revenues $ 2,111.7 $ 2,018.2 $ 4,226.6 $ 4,087.8
Management Reimbursement Revenue        
Segment Reporting Information [Line Items]        
Revenues $ 84.5 $ 76.9 $ 166.5 $ 157.0