OTHER EXPENSE (INCOME) , NET (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Income and Expenses [Abstract]
Foreign exchange transaction (gain) loss	$ (26.9)	$ 5.8	$ 1.7
Other expense (income), net	15.4	(40.7)	3.6
Total other expense (income), net	$ (11.5)	$ (34.9)	$ 5.3