FAIR VALUE MEASUREMENTS - Narrative (Details) - Deferred compensation plan - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan	$ 103.4	$ 101.0	$ 104.1
Cost basis of investment funds	77.3	80.7	86.1
Fair Value Measured at Net Asset Value Per Share
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan	$ 7.7	$ 7.7	$ 7.0