DERIVATIVE FINANCIAL INSTRUMENTS - Offsetting Assets (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Derivative assets
Gross Amount Recognized	$ 137.8	$ 213.8
Gross Amounts Not Offset, Permitted Under Master Netting Agreements	(91.9)	(103.4)
Net Amount	45.9	110.4
Derivative liabilities
Gross Amount Recognized	199.7	204.7
Gross Amounts Not Offset, Permitted Under Master Netting Agreements	(91.9)	(103.4)
Net Amount	$ 107.8	$ 101.3