DERIVATIVE FINANCIAL INSTRUMENTS - Offsetting Assets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Derivative assets
Gross Amount Recognized	$ 120.8	$ 297.9
Gross Amounts Not Offset Permitted Under Master Netting Agreements	(78.6)	(128.7)
Net Amount	42.2	169.2
Derivative liabilities
Gross Amount Recognized	176.5	176.3
Gross Amounts Not Offset Permitted Under Master Netting Agreements	(78.6)	(128.7)
Net Amount	$ 97.9	$ 47.6

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