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Income Taxes - Narrative (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) restaurant | Oct. 31, 2022 restaurant | Dec. 31, 2021 USD ($)
Income Tax Disclosure [Line Items] |  |  |  |  |
Effective tax rate | 27.50% | 13.00% | 29.30% |  |
Income tax benefit due to income tax settlement |  | $ 15.1 |  |  |
Valuation allowance | $ 5.0 | 4.4 |  |  |
Operating loss carryforwards | 113.7 | 127.8 |  |  |
Tax credit carryforward | 7.5 | 7.4 |  |  |
Unrecognized tax benefits | 2.5 | 3.5 | $ 2.1 |  | $ 1.9
Unrecognized tax benefit changes in next 12 months | 0.2 |  |  |  |
Unrecognized tax benefits, interest on income taxes accrued | $ 0.8 | 0.9 |  |  |
Unrecognized tax benefits, income tax penalties accrued |  | $ 0.1 |  |  |
Entity Operated Units | Applebee's |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Number of restaurants sold | restaurant |  |  | 69 | 69 |

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