Summary of Significant Accounting Policies - Schedule of Goodwill, Finite-Lived Intangible Assets and Indefinite-Lived Intangible Assets (Parenthetical) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Total intangible assets
Goodwill, accumulated impairment loss	$ 807.4	$ 749.3	$ 749.3
Tradenames
Total intangible assets
Indefinite-lived, accumulated impairment loss	139.5	139.5
Reacquired Franchise Rights [Member]
Total intangible assets
Indefinite-lived, accumulated impairment loss	$ 30.6	$ 0.0