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Contingent Arrangements, Amount Accrued

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Lessee, Term Of Contract

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Represents performance fees subject to potential claw back provision.

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Performance fees subject to potential claw back provision that are reimbursable by professionals.

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The amount of unfunded commitments, including those related to investments of capital in business combinations and financial instruments, as of the balance sheet date.

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Amount of increase (decrease) in value of liability in contingent consideration arrangement in business combination, including, but not limited to, difference arising upon settlement.

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Maximum amount of estimate for undiscounted range of outcomes in contingent consideration arrangement in business combination.

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Amount of liability recognized arising from contingent consideration in a business combination.

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The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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Amount of expense for employee benefit and equity-based compensation.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
COMMITMENTS AND CONTINGENCIES
Unfunded capital commitments	$ 1,635,500,000		$ 1,635,500,000		$ 1,172,900,000
Maximum exposure from guarantees	7,300,000		7,300,000		7,100,000
Carried interest, contingent repayment obligations	0		0		0
Performance income
COMMITMENTS AND CONTINGENCIES
Performance income subject to potential clawback provision	242,200,000		242,200,000		125,600,000
Performance income subject to potential claw back provision that are reimbursable by professionals	$ 167,000,000.0		$ 167,000,000.0		99,800,000
Minimum
COMMITMENTS AND CONTINGENCIES
Service period			3 years
Maximum
COMMITMENTS AND CONTINGENCIES
Service period			6 years
Lease terms	17 years		17 years
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccountsPayableAndOtherAccruedLiabilities
COMMITMENTS AND CONTINGENCIES
Contingent consideration	$ 2,400,000		$ 2,400,000		2,300,000
Remaining Contingent Earnout Arrangements \| Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense
COMMITMENTS AND CONTINGENCIES
Contingent arrangements, other expense	0	$ 100,000	100,000	$ 200,000
GCP International \| DC Earnout
COMMITMENTS AND CONTINGENCIES
Maximum exposure from contingent arrangements	1,000,000,000.0		1,000,000,000.0
GCP International \| Japan Earnout
COMMITMENTS AND CONTINGENCIES
Maximum exposure from contingent arrangements	500,000,000		$ 500,000,000
GCP International \| DC Earnout And Japan Earnout
COMMITMENTS AND CONTINGENCIES
Contingent consideration, liability, paid in cash (as a percent)			15.00%
GCP International \| DC Earnout And Japan Earnout \| Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense
COMMITMENTS AND CONTINGENCIES
Changes in value of contingent earnout arrangements	13,600,000	25,500,000	$ 27,900,000	25,500,000
GCP International \| DC Earnout And Japan Earnout \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccountsPayableAndOtherAccruedLiabilities
COMMITMENTS AND CONTINGENCIES
Contingent consideration	791,000,000.0		791,000,000.0		763,000,000.0
GCP International \| Earnout Arrangement And Management Incentive Program
COMMITMENTS AND CONTINGENCIES
Contingent arrangements, amount accrued	113,800,000		113,800,000		70,100,000
Deferred compensation expense	22,200,000	13,700,000	43,700,000	18,000,000.0
GCP International \| Earnout Arrangement And Management Incentive Program \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent
COMMITMENTS AND CONTINGENCIES
Contingent consideration	339,000,000.0		339,000,000.0		327,000,000.0
Other Arrangements
COMMITMENTS AND CONTINGENCIES
Maximum exposure from contingent arrangements	351,700,000		351,700,000		175,000,000.0
Contingent consideration	116,500,000		116,500,000		24,200,000
Contingent arrangements, amount accrued	20,400,000		20,400,000		$ 7,800,000
Other Arrangements \| Remaining Contingent Earnout Arrangements
COMMITMENTS AND CONTINGENCIES
Compensation expense	$ 6,000,000.0	$ 7,700,000	$ 12,500,000	$ 14,700,000