Goodwill and Other Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Goodwill [Line Items]
Goodwill	[1]	$ 1,574.5	$ 1,586.8
Finite-lived:
Gross		841.4	846.4
Accumulated Amortization		511.9	507.2
Net		329.5	339.2
Indefinite-lived:
Gross		178.3	180.4
Total intangible assets
Gross		1,019.7	1,026.8
Accumulated Amortization		511.9	507.2
Net		507.8	519.6
Tradenames
Indefinite-lived:
Gross	[2]	52.0	52.0
Reacquired franchise rights
Indefinite-lived:
Gross		126.3	128.4
Customer relationships
Finite-lived:
Gross		820.2	824.9
Accumulated Amortization		490.8	486.0
Net		329.4	338.9
Other
Finite-lived:
Gross		21.2	21.5
Accumulated Amortization		21.1	21.2
Net		$ 0.1	$ 0.3

[1] Balances were net of accumulated impairment loss of $749.3 as of both March 31, 2024 and December 31, 2023.

[2] Balances were net of accumulated impairment loss of $139.5 as of both March 31, 2024 and December 31, 2023.