INCOME TAXES - Consolidated Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current taxes
Federal	$ 5.7	$ 6.9	$ 86.2
State	0.5	5.8	3.6
Foreign	141.4	68.5	67.4
Current taxes	147.6	81.2	157.2
Deferred taxes
Federal	19.8	4.7	(22.9)
State	2.9	1.3	(1.0)
Foreign	(50.0)	(11.3)	(43.5)
Deferred taxes	(27.3)	(5.3)	(67.4)
Total provision	$ 120.3	$ 75.9	$ 89.8