RESTRUCTURING AND IMPAIRMENT CHARGES (Accrued Liability) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Restructuring Reserve [Roll Forward]
Balance at beginning of period			$ 7.2
Add: Charges	$ 3.4	$ 0.5	5.3	$ 0.8
Less: Payments			7.7
Balance at end of period	4.8		4.8
Severance costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period			6.6
Add: Charges			3.0
Less: Payments			5.9
Balance at end of period	3.7		3.7
Contract termination costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period			0.0
Add: Charges			0.4
Less: Payments			0.1
Balance at end of period	0.3		0.3
Other restructuring costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period			0.6
Add: Charges			1.9
Less: Payments			1.7
Balance at end of period	$ 0.8		$ 0.8