GOODWILL AND INTANGIBLE ASSETS (Components of identifiable intangible assets) (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 5,788.4	$ 5,767.7
Accumulated Amortization	(1,490.9)	(1,426.9)
Intangible Assets, Net (Excluding Goodwill)	4,297.5	4,340.8
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	4,331.5	4,297.9
Accumulated Amortization	(1,062.4)	(1,014.9)
Intangible Assets, Net (Excluding Goodwill)	3,269.1	3,283.0
Patents, Licenses And Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	455.5	457.9
Accumulated Amortization	(195.9)	(188.6)
Intangible Assets, Net (Excluding Goodwill)	259.6	269.3
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	78.9	79.0
Accumulated Amortization	(51.2)	(49.4)
Intangible Assets, Net (Excluding Goodwill)	27.7	29.6
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	428.2	426.3
Accumulated Amortization	(178.3)	(171.4)
Intangible Assets, Net (Excluding Goodwill)	249.9	254.9
Use Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	10.9	10.9
Accumulated Amortization	(3.1)	(2.6)
Intangible Assets, Net (Excluding Goodwill)	7.8	8.3
Canadian licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	483.4	495.7
Accumulated Amortization	0.0	0.0
Intangible Assets, Net (Excluding Goodwill)	$ 483.4	$ 495.7