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v3.19.1

Goodwill and Franchise Value (Schedule of Franchise Value) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Indefinite-lived Intangible Assets [Roll Forward] |  |
Balance | $ 288.7 | $ 187.0
Adjustments to purchase price allocations | 3.5 |
Additions through acquisitions | 18.9 | 103.5
Reductions through divestitures | (3.0) | (1.8)
Balance | 308.1 | $ 288.7
Franchise value acquired, including purchase accounting adjustments | $ 22.4 |

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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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- Definition Amount of increase (decrease) of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit, from purchase accounting adjustments. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of divestiture of an asset lacking physical substance and having a projected indefinite period of benefit to fair value. Excludes financial assets and goodwill. + References No definition available. + Details
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