INCOME TAXES - Current and Deferred Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal U.S.	$ 108.8	$ 75.4	$ 21.5
Non-U.S.	97.3	85.3	75.0
State and local	23.0	19.7	7.8
Deferred:
Federal U.S.	(72.0)	(32.8)	(21.9)
Non-U.S.	(23.3)	8.6	(16.9)
State and local	(8.8)	(37.9)	(2.2)
Income tax provision	$ 125.0	$ 118.3	$ 63.3