LONG-TERM INCENTIVE COMPENSATION - Restricted Fund Units Liability (Details) $ in Millions	9 Months Ended
Sep. 30, 2025 USD ($)
Deferred Compensation Arrangement With Individual, Share-Based Payments [Roll Forward]
Balance at December 31, 2024	$ 1,020.7
Balance at September 30, 2025	1,093.2
Restricted Fund Units
Deferred Compensation Arrangement With Individual, Share-Based Payments [Roll Forward]
Balance at December 31, 2024	14.7
Amortization of grant date value	32.8
Amortization of market appreciation (depreciation)	5.8
Balance at September 30, 2025	$ 53.3

Deferred Compensation Arrangement With Individual, Amortization Of Appreciation (Depreciation)

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- Definition

Deferred Compensation Arrangement With Individual, Amortization Of Grant Date Value

+ References

No definition available.

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- Definition

Deferred Compensation Arrangement With Individual, Share-Based Payments

+ References

No definition available.

+ Details

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- Definition

The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 710
-SubTopic 10
-Name Accounting Standards Codification
-Section 30
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483043/710-10-30-1

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