Summary of Significant Accounting Policies - Schedule of Goodwill, Finite-Lived Intangible Assets and Indefinite-Lived Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill	$ 1,722.2	$ 1,225.8	$ 1,260.1
Finite-lived:
Gross	846.6	494.9
Accumulated Amortization	441.3	425.4
Net	405.3	69.5
Indefinite-lived:
Gross	178.3	179.1
Total intangible assets
Gross	1,024.9	674.0
Accumulated Amortization	441.3	425.4
Net	583.6	248.6
Tradenames
Indefinite-lived:
Gross	52.0	52.0
Reacquired franchise rights
Indefinite-lived:
Gross	126.3	127.1
Customer relationships
Finite-lived:
Gross	823.4	473.0
Accumulated Amortization	421.6	403.8
Net	401.8	69.2
Other
Finite-lived:
Gross	23.2	21.9
Accumulated Amortization	19.7	21.6
Net	$ 3.5	$ 0.3