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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Dec. 29, 2021 | Sep. 30, 2022 | Sep. 30, 2022 | Dec. 31, 2021
OHA Acquisition |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Contingent consideration, maximum earnout payment | $ 900.0 |  |  |
Extended earnout payment period | 2 years |  |  |
Earnout 30% threshold | 22.00% |  |  |
Incentive payment, percentage |  |  |  | 10.00%
OHA Acquisition | Compensation and Related Costs |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Change in fair value |  | $ 2.9 | $ 11.7 |
Compensation expense included in current period |  | 2.4 | 7.1 |
Fair value measured at NAV |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments held at fair value |  | $ 91.0 | $ 91.0 | $ 108.1

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