GOODWILL AND INTANGIBLE ASSETS (Gross Carrying Amount and Accumulated Amortization by Major Intangible Asset Class) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		$ 2,036.5	$ 1,355.5
Accumulated amortization		(287.5)	(232.0)
Total Intangible Assets Subject to Amortization, net		1,749.0	1,123.5
Intangible Assets with Indefinite Lives		0.0	0.0
Total Intangible Assets, net		1,749.0	1,123.5
Amortization Expense for the Year		68.2	46.6	$ 40.5
Contractual Rights In Place [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		1,765.0	1,159.0
Accumulated amortization		(230.9)	(188.9)
Permitting, Permitting Compliance And Zoning Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		156.5	138.9
Accumulated amortization		(39.1)	(30.2)
Other Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	[1]	115.0	57.6
Accumulated amortization	[1]	$ (17.5)	$ (12.9)

[1] Includes noncompetition agreements, patents, customer relationships, tradenames and trademarks.