FAIR VALUE MEASUREMENTS - Narrative (Details) - Fair Value Measurements on a Recurring Basis - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities cost basis	$ 6.7
Deferred compensation plan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan	90.7	$ 84.7
Fair Value Measured at Net Asset Value Per Share | Deferred compensation plan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan	6.6	6.4
Level 2 | Deferred compensation plan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan
Cost basis of investment funds	$ 78.1	$ 76.3