GOODWILL AND INTANGIBLE ASSETS (Components of identifiable intangible assets) (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 5,443.5	$ 5,058.4
Finite-Lived Intangible Assets, Accumulated Amortization	(1,902.8)	(1,716.4)
Intangible Assets, Net (Excluding Goodwill)	3,540.7	3,342.0
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	4,208.6	3,868.6
Finite-Lived Intangible Assets, Accumulated Amortization	(1,512.5)	(1,367.2)
Intangible Assets, Net (Excluding Goodwill)	2,696.1	2,501.4
Patents, Licenses And Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	523.8	526.6
Finite-Lived Intangible Assets, Accumulated Amortization	(292.1)	(273.3)
Intangible Assets, Net (Excluding Goodwill)	231.7	253.3
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	192.2	130.3
Finite-Lived Intangible Assets, Accumulated Amortization	(78.9)	(60.4)
Intangible Assets, Net (Excluding Goodwill)	113.3	69.9
Canadian licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	484.6	498.8
Finite-Lived Intangible Assets, Accumulated Amortization	0.0	0.0
Intangible Assets, Net (Excluding Goodwill)	484.6	498.8
In Process R&A and Media
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	34.3	34.1
Finite-Lived Intangible Assets, Accumulated Amortization	(19.3)	(15.5)
Intangible Assets, Net (Excluding Goodwill)	$ 15.0	$ 18.6