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FAIR VALUE MEASUREMENTS - Narrative (Details) - Deferred compensation plan - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan	$ 95.0	$ 101.0	$ 99.2
Cost basis of investment funds	75.6	80.7	84.8
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	$ 6.9

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