GOODWILL AND INTANGIBLE ASSETS (Components of identifiable intangible assets) (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 5,738.0	$ 5,515.9
Accumulated Amortization	(1,722.1)	(1,604.8)
Intangible Assets, Net (Excluding Goodwill)	4,015.9	3,911.1
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	4,307.9	4,119.4
Accumulated Amortization	(1,233.0)	(1,146.7)
Intangible Assets, Net (Excluding Goodwill)	3,074.9	2,972.7
Patents, Licenses And Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	452.3	447.3
Accumulated Amortization	(224.1)	(211.2)
Intangible Assets, Net (Excluding Goodwill)	228.2	236.1
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	82.5	76.8
Accumulated Amortization	(57.2)	(53.7)
Intangible Assets, Net (Excluding Goodwill)	25.3	23.1
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	407.7	404.0
Accumulated Amortization	(202.9)	(189.1)
Intangible Assets, Net (Excluding Goodwill)	204.8	214.9
Use Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	11.1	10.8
Accumulated Amortization	(4.9)	(4.1)
Intangible Assets, Net (Excluding Goodwill)	6.2	6.7
Canadian licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	476.5	457.6
Accumulated Amortization	0.0	0.0
Intangible Assets, Net (Excluding Goodwill)	$ 476.5	$ 457.6