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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 |

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