RESTRUCTURING AND IMPAIRMENT CHARGES (Incurred Costs) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		7 Months Ended	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Impairment costs associated with this plan	$ 1.4	$ 0.0	$ 4.3	$ 0.2
Amount of total that represents cash charges	$ 0.7	$ 0.2	1.9	$ 0.3
2018 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and restructuring-related			2.2		$ 13.4	$ 11.2
Impairment costs associated with this plan			4.1		9.2	5.1
Total Amount Incurred			6.3		22.6	16.3
Amount of total that represents cash charges			$ 1.9		$ 8.8	$ 6.9