v3.26.1
FAIR VALUE OF ASSETS AND LIABILITIES - Narrative (Details) - Total return swap related to deferred compensation plans - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Derivative asset $ 52.5   $ 52.5   $ 7.8
Designated as Hedging Instrument          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Derivative notional amount 554.7   554.7   553.0
Derivative asset 52.5   52.5    
Derivative liability         $ 7.8
Collateral position 50.4   50.4    
Market valuation gain (loss) recognized $ 60.8 $ 38.7 $ 51.2 $ 25.3