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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% |  |

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