Goodwill And Intangible Assets, Net (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 1,233.3	$ 1,235.3
Franchise rights - indefinite-lived	727.5	727.5
Other intangibles	24.0	24.0
Other intangible assets, gross	751.5	751.5
Less: accumulated amortization	(9.1)	(8.0)
Other intangible assets, net	$ 742.4	$ 743.5

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

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

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through a franchise arrangement having an indefinite period of benefit.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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