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

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Franchise Operating Rights & Goodwill - Impairment (Details) $ in Millions		12 Months Ended
	Oct. 01, 2022 USD ($) Asset	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Franchise operating rights
Number of reporting units which franchise operating rights were impaired \| Asset	2
Impairment of franchise operating rights		$ 35.0	$ 0.0	$ 14.0
Goodwill
Impairment of goodwill		0.0	0.0	$ 0.0
Accumulated impairment		$ 193.9	$ 193.9
Panama City, FL
Franchise operating rights
Impairment of franchise operating rights	$ 6.5
Huntsville, AL
Franchise operating rights
Impairment of franchise operating rights	$ 28.5