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ACQUISITIONS AND DISPOSITIONS - Narrative (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 07, 2022 | Apr. 30, 2022 | Apr. 30, 2022 | Jan. 31, 2022 | Oct. 31, 2021 | Sep. 30, 2021
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  | $ 2,292,200,000 | $ 2,292,200,000 |  | $ 2,228,900,000 |
Customer Contracts for Healthcare Technology Management | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Technical Solutions |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Sale of customer contracts for clinical engineering services, consideration |  |  |  | $ 8,500,000 |  |
Gain on sale of customer contracts for clinical engineering services |  |  | 7,700,000 |  |  |
Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Amount of reasonably possible loss |  | 0 | 0 |  |  |
Minimum | Able Legal Matters |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Amount of reasonably possible loss |  | 0 | 0 |  |  |
Maximum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Amount of reasonably possible loss |  | 5,000,000 | 5,000,000 |  |  |
Maximum | Able Legal Matters |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Amount of reasonably possible loss |  | 2,600,000 | 2,600,000 |  |  |
Able |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash consideration placed in escrow |  |  |  |  |  | $ 12,100,000
Cash consideration placed in escrow for indemnification asset |  |  |  |  |  | 8,200,000
Revenues associated with acquisition |  | 282,700,000 | 590,600,000 |  |  |
Operating profit associated with acquisition |  | 11,500,000 | 26,000,000 |  |  |
Acquisition-related and integration costs |  | 500,000 | 8,800,000 |  |  |
Loss contingency accrual |  | 18,100,000 | 18,100,000 |  | $ 900,000 |
Goodwill |  | 583,000,000.0 | 583,000,000.0 |  |  | $ 554,000,000.0
Momentum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Purchase price | $ 54,800,000 |  |  |  |  |
Revenues associated with acquisition |  | 4,900,000 | 4,900,000 |  |  |
Operating profit associated with acquisition |  | 300,000 | 300,000 |  |  |
Goodwill |  | 41,600,000 | 41,600,000 |  |  |
Intangibles acquired |  | $ 10,400,000 | $ 10,400,000 |  |  |

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