GOODWILL AND INTANGIBLE ASSETS - COMPONENTS OF IDENTIFIABLE INTANGIBLE ASSETS (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount	$ 5,885.6	$ 5,515.9
Accumulated Amortization	(1,851.1)	(1,604.8)
Net Carrying Amount	4,034.5	3,911.1
Customer Relationships [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount		4,119.4
Accumulated Amortization		(1,146.7)
Net Carrying Amount		2,972.7
Patents, licenses and technology [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount		447.3
Accumulated Amortization		(211.2)
Net Carrying Amount		236.1
Non-compete agreements [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount		76.8
Accumulated Amortization		(53.7)
Net Carrying Amount		23.1
Trade names [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount		404.0
Accumulated Amortization		(189.1)
Net Carrying Amount		214.9
Canadian licenses [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount		457.6
Accumulated Amortization		0.0
Net Carrying Amount		457.6
Patents, licenses and technology [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount	453.6
Accumulated Amortization	(235.7)
Net Carrying Amount	217.9
Customer Relationships [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount	4,441.7
Accumulated Amortization	(1,329.5)
Net Carrying Amount	3,112.2
Use Rights [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount	10.9	10.8
Accumulated Amortization	(5.5)	(4.1)
Net Carrying Amount	5.4	$ 6.7
Trade names [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount	408.2
Accumulated Amortization	(219.9)
Net Carrying Amount	188.3
Non-compete agreements [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount	90.9
Accumulated Amortization	(60.5)
Net Carrying Amount	30.4
Canadian licenses [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount	480.3
Accumulated Amortization	0.0
Net Carrying Amount	$ 480.3

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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