GOODWILL AND INTANGIBLE ASSETS (Components of identifiable intangible assets) (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 5,562.3	$ 5,566.2
Accumulated Amortization	(1,512.8)	(1,400.1)
Intangible Assets, Net (Excluding Goodwill)	4,049.5	4,166.1
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	4,138.5	4,118.1
Accumulated Amortization	(1,075.5)	(992.8)
Intangible Assets, Net (Excluding Goodwill)	3,063.0	3,125.3
Patents, Licenses And Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	452.2	457.9
Accumulated Amortization	(202.1)	(188.6)
Intangible Assets, Net (Excluding Goodwill)	250.1	269.3
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	75.7	75.8
Accumulated Amortization	(51.5)	(48.3)
Intangible Assets, Net (Excluding Goodwill)	24.2	27.5
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	410.0	407.9
Accumulated Amortization	(180.3)	(167.9)
Intangible Assets, Net (Excluding Goodwill)	229.7	240.0
Use Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	10.8	10.8
Accumulated Amortization	(3.4)	(2.5)
Intangible Assets, Net (Excluding Goodwill)	7.4	8.3
Canadian licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	475.1	495.7
Accumulated Amortization	0.0	0.0
Intangible Assets, Net (Excluding Goodwill)	$ 475.1	$ 495.7