RESTRUCTURING ACTIONS Restructuring Accrual Rollforward (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Restructuring Cost and Reserve [Line Items]
Beginning balance - January 1	$ 19.1	$ 7.5
Restructuring costs	4.0	3.1
Reversal of prior accruals	(0.4)	0.0
Cash payments	(4.8)	(3.2)
Asset write-offs	0.6	0.0
Foreign exchange translation and other	(0.4)	(0.2)
Ending balance - March 31	16.9	$ 7.2
Severance and other employee-related
Restructuring Cost and Reserve [Line Items]
Beginning balance - January 1	6.9
Ending balance - March 31	16.7
Other
Restructuring Cost and Reserve [Line Items]
Beginning balance - January 1	0.3
Ending balance - March 31	$ 0.2