GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 353.3	$ 335.7
Accumulated Amortization	(235.9)	(223.6)
Net Carrying Amount	117.4	112.1
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	202.1	186.7
Accumulated Amortization	(151.4)	(149.0)
Net Carrying Amount	50.7	37.7
Distribution rights and others
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	92.0	91.3
Accumulated Amortization	(53.1)	(44.9)
Net Carrying Amount	38.9	46.4
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	59.2	57.7
Accumulated Amortization	(31.4)	(29.7)
Net Carrying Amount	$ 27.8	$ 28.0