Goodwill and Other Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill	$ 1,198.6	$ 1,260.1
Finite-lived:
Gross	486.5	481.4
Accumulated Amortization	412.8	389.4
Net	73.7	92.0
Indefinite-lived:
Gross	177.8	176.6
Total intangible assets
Gross	664.3	658.0
Accumulated Amortization	412.8	389.4
Net	251.5	268.6
Tradenames
Indefinite-lived:
Gross	52.0	52.0
Reacquired franchise rights
Indefinite-lived:
Gross	125.8	124.6
Customer relationships
Finite-lived:
Gross	465.5	460.5
Accumulated Amortization	397.1	375.7
Net	68.4	84.8
Other
Finite-lived:
Gross	21.0	20.9
Accumulated Amortization	15.7	13.7
Net	$ 5.3	$ 7.2

Intangible Assets, Accumulated Amortization (Excluding Goodwill), Total.

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Accumulated amount of 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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