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Intangible Assets - Major Classes of Amortizable Intangible Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, net	$ 4,621.7	$ 4,633.3
Expiration Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, gross	8,342.8	8,222.8
Accumulated amortization	(3,857.7)	(3,733.2)
Amortizable intangible assets, net	4,485.1	4,489.6
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, gross	115.1	112.2
Accumulated amortization	(78.2)	(74.9)
Amortizable intangible assets, net	36.9	37.3
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, gross	168.6	171.8
Accumulated amortization	(68.9)	(65.4)
Amortizable intangible assets, net	$ 99.7	$ 106.4

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 928
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+ References

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