GOODWILL AND INTANGIBLE ASSETS, NET - Summary of Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 574.5		$ 574.5		$ 575.1
Finite-lived intangible assets, accumulated amortization	(160.3)		(160.3)		(130.9)
Finite-lived intangible assets, net carrying amount	414.2		414.2		444.2
Amortization expense	10.1	$ 10.4	30.3	$ 32.6
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, carrying amount	145.9		145.9		147.9
Intangible assets, gross carrying amount	720.4		720.4		723.0
Intangible assets, net carrying amount	560.1		560.1		592.1
Trade names
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, carrying amount	145.9		145.9		147.9
Trademarks and licenses
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	272.3		272.3		271.4
Finite-lived intangible assets, accumulated amortization	(87.8)		(87.8)		(72.8)
Finite-lived intangible assets, net carrying amount	184.5		$ 184.5		$ 198.6
Weighted average useful life			13 years		13 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	249.0		$ 249.0		$ 250.6
Finite-lived intangible assets, accumulated amortization	(58.3)		(58.3)		(46.8)
Finite-lived intangible assets, net carrying amount	190.7		$ 190.7		$ 203.8
Weighted average useful life			12 years		13 years
Patents and internally-developed intellectual property
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	20.9		$ 20.9		$ 20.8
Finite-lived intangible assets, accumulated amortization	(9.7)		(9.7)		(8.4)
Finite-lived intangible assets, net carrying amount	11.2		$ 11.2		$ 12.4
Weighted average useful life			16 years		7 years
Distribution rights
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	31.0		$ 31.0		$ 31.0
Finite-lived intangible assets, accumulated amortization	(3.6)		(3.6)		(2.3)
Finite-lived intangible assets, net carrying amount	27.4		$ 27.4		$ 28.7
Weighted average useful life			6 years		17 years
Other
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	1.3		$ 1.3		$ 1.3
Finite-lived intangible assets, accumulated amortization	(0.9)		(0.9)		(0.6)
Finite-lived intangible assets, net carrying amount	$ 0.4		$ 0.4		$ 0.7
Weighted average useful life			1 year		2 years