BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Basis of Presentation [Line Items]
Investments in unconsolidated affiliates	$ 28.8	$ 14.5
Revenues	8,096.4	7,806.6	$ 6,228.6
Advertising expense	8.8	6.0	6.2
Employee retention credit	24.0
Management Reimbursement Revenue
Basis of Presentation [Line Items]
Revenues	$ 302.3	$ 280.6	$ 240.3
Service Maintenance
Basis of Presentation [Line Items]
Service maintenance agreement term	1 year
Minimum
Basis of Presentation [Line Items]
Lease term	1 year
Maximum
Basis of Presentation [Line Items]
Lease term	30 years
Entities that provide specialized services | Maximum
Basis of Presentation [Line Items]
Non-controlling ownership interests	20.00%
Certain affiliated entities | Minimum
Basis of Presentation [Line Items]
Non-controlling ownership interests	20.00%
Certain affiliated entities | Maximum
Basis of Presentation [Line Items]
Non-controlling ownership interests	50.00%