INCOME TAXES - Valuation Allowance (Details) - Valuation Allowance on Deferred Tax Assets - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Movement in Valuation Allowances and Reserves [Roll Forward]
Balances at beginning of period	$ 61.4	$ 52.0	$ 39.4
Additions Charges to Income Tax Expense	6.8	10.5	17.8
Other Changes to Reserves	(1.0)	(1.1)	(5.2)
Balances at end of period	$ 67.2	$ 61.4	$ 52.0