GOODWILL AND INTANGIBLE ASSETS (Components of identifiable intangible assets) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 4,906.4	$ 4,593.2
Finite-Lived Intangible Assets, Accumulated Amortization	(1,630.8)	(1,469.6)
Intangible Assets, Net (Excluding Goodwill)	3,275.6	3,123.6
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	3,735.5	3,489.9
Finite-Lived Intangible Assets, Accumulated Amortization	(1,298.8)	(1,169.6)
Intangible Assets, Net (Excluding Goodwill)	2,436.7	2,320.3
Patents, Licenses And Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	520.5	520.4
Finite-Lived Intangible Assets, Accumulated Amortization	(263.1)	(243.3)
Intangible Assets, Net (Excluding Goodwill)	257.4	277.1
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	120.7	80.1
Finite-Lived Intangible Assets, Accumulated Amortization	(54.7)	(46.8)
Intangible Assets, Net (Excluding Goodwill)	66.0	33.3
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	16.4	16.4
Finite-Lived Intangible Assets, Accumulated Amortization	(5.4)	(3.5)
Intangible Assets, Net (Excluding Goodwill)	11.0	12.9
Use Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	3.5	3.5
Finite-Lived Intangible Assets, Accumulated Amortization	(2.5)	(2.2)
Intangible Assets, Net (Excluding Goodwill)	1.0	1.3
Canadian licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	495.6	468.7
Finite-Lived Intangible Assets, Accumulated Amortization	0.0	0.0
Intangible Assets, Net (Excluding Goodwill)	495.6	468.7
In Process R&A and Media
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	14.2	14.2
Finite-Lived Intangible Assets, Accumulated Amortization	(6.3)	(4.2)
Intangible Assets, Net (Excluding Goodwill)	$ 7.9	$ 10.0

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
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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