INCOME TAXES - Schedule of Earnings (Loss) Before Income Taxes by Geography (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
United States	$ 49.1	$ (83.0)	$ (72.7)
Non-U.S.	484.6	250.0	238.9
Income (loss) before income taxes	$ 533.7	$ 167.0	$ 166.2