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Goodwill And Intangible Assets, Net (Summary of Goodwill and Intangible Assets, Net) (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
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Goodwill and Intangible Assets Disclosure [Abstract] |  |
Goodwill | $ 1,232.7 | $ 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 | (8.4) | (8.0)
Other intangible assets, net | $ 743.1 | $ 743.5

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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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