RESTRUCTURING AND OTHER COSTS - ADDITIONAL INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring, incurred cost	$ 42.5	$ 20.5
Indefinite-lived intangible asset impairment	38.7	5.3
Net restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring, incurred cost	2.3	14.2
Other Restructuring Costs
Restructuring Cost and Reserve [Line Items]
Restructuring, incurred cost	40.2	6.3
Asset impairment	$ 38.7
Technologies & Equipment
Restructuring Cost and Reserve [Line Items]
Indefinite-lived intangible asset impairment		$ 5.3