Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 967.2	$ 1,166.4
Accumulated Amortization	(155.2)	(137.4)
Net Balance	812.0	1,029.0
Noncompetition agreements
Finite-Lived Intangible Assets [Line Items]
Gross Amount	4.1	4.2
Accumulated Amortization	(4.0)	(4.1)
Net Balance	0.1	0.1
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Amount	423.7	425.3
Accumulated Amortization	(62.7)	(49.2)
Net Balance	361.0	376.1
Operating Permits
Finite-Lived Intangible Assets [Line Items]
Gross Amount	502.2	697.3
Accumulated Amortization	(61.4)	(56.6)
Net Balance	440.8	640.7
Use Rights And Other
Finite-Lived Intangible Assets [Line Items]
Gross Amount	13.9	16.3
Accumulated Amortization	(12.4)	(13.9)
Net Balance	1.5	2.4
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Amount	23.3	23.3
Accumulated Amortization	(14.7)	(13.6)
Net Balance	$ 8.6	$ 9.7