GOODWILL AND OTHER INTANGIBLE ASSETS (Schedule of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross intangible asset	$ 153.5	$ 152.7
Accumulated amortization	(68.8)	(55.0)
Net intangible assets	84.7	97.7
Supply Agreement
Finite-Lived Intangible Assets [Line Items]
Gross intangible asset	27.9	26.6
Accumulated amortization	(5.0)	(4.3)
Net intangible assets	22.9	22.3
SOP Production Rights
Finite-Lived Intangible Assets [Line Items]
Gross intangible asset	24.3	24.3
Accumulated amortization	(15.6)	(14.7)
Net intangible assets	8.7	9.6
Customer/Distributor Relationships
Finite-Lived Intangible Assets [Line Items]
Gross intangible asset	12.7	12.5
Accumulated amortization	(6.1)	(4.9)
Net intangible assets	6.6	7.6
Lease Rights
Finite-Lived Intangible Assets [Line Items]
Gross intangible asset	1.7	1.6
Accumulated amortization	(0.5)	(0.4)
Net intangible assets	1.2	1.2
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross intangible asset	36.8	37.5
Accumulated amortization	(10.9)	(7.6)
Net intangible assets	25.9	29.9
Developed Technologies
Finite-Lived Intangible Assets [Line Items]
Gross intangible asset	32.8	33.8
Accumulated amortization	(21.7)	(16.1)
Net intangible assets	11.1	17.7
Patents
Finite-Lived Intangible Assets [Line Items]
Gross intangible asset	16.0	15.1
Accumulated amortization	(8.1)	(6.3)
Net intangible assets	7.9	8.8
Other
Finite-Lived Intangible Assets [Line Items]
Gross intangible asset	1.3	1.3
Accumulated amortization	(0.9)	(0.7)
Net intangible assets	$ 0.4	$ 0.6