INCOME TAXES - Provision For Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
United States	$ 0.2	$ (18.3)	$ 39.1
Outside United States	206.0	69.5	12.0
Total current income taxes	206.2	51.2	51.1
Deferred
United States	0.0	(2.8)	3.8
Outside United States	(95.1)	(29.0)	24.1
Total deferred income taxes	(95.1)	(31.8)	27.9
Provision for income taxes	$ 111.1	$ 19.4	$ 79.0