LONG-TERM INCENTIVE COMPENSATION - Schedule of Restricted Fund Units Liability Compensation Expense (Details) $ in Millions	Jun. 30, 2026 USD ($)
Share-Based Payment Arrangement [Abstract]
Third quarter 2026	$ 18.6
Fourth quarter 2026	15.0
2027	36.7
2028 through 2030	32.8
Total	$ 103.1

Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized, Fair Market Value

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Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Fourth Quarter Of Current Fiscal Year, Fair Market Value

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Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized From Second Fiscal Year to Vesting, Fair Market Value

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Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Of Next Fiscal Year, Fair Market Value

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Employee Service Restricted Fund Units, Nonvested Awards, Compensation Cost To Be Recognized Third Quarter Of Current Fiscal Year, Fair Market Value

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