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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Dec. 29, 2021	Jun. 30, 2022	Jun. 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		$ 3.7	$ 8.8
Compensation expense included in current period		2.7	4.7
Fair value measured at NAV
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments held at fair value		$ 99.8	$ 99.8	$ 108.1

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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