INCOME TAXES - Reconciliation of Tax Expense to Statutory Federal Income Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Computed income tax benefit	$ (134.9)	$ (42.1)
State and local taxes, net of U.S. federal income tax benefit	5.9	0.2
Foreign rate differential and other foreign adjustments	5.0	7.9
Net establishment of valuation allowance	110.3	25.2
Net establishment of uncertain tax positions	11.2	4.8
Foreign dividends and earnings taxable in the U.S.	5.1	6.2
Non-deductible Reorganization Costs	17.8	0.0
Other	11.3	4.0
Total provision for income taxes	$ 31.7	$ 6.2