Related Party Transactions (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 25, 2024 USD ($) restaurant	Jun. 27, 2023 USD ($) restaurant	Jun. 25, 2024 USD ($) restaurant	Jun. 27, 2023 USD ($) restaurant
Franchise
Related Party Transactions
Number of restaurants	112	95	112	95
Officers, directors and shareholders \| Majority-owned
Related Party Transactions
Number of restaurants	1	1	1	1
Officers, directors and shareholders \| Franchise
Related Party Transactions
Number of restaurants	4	4	4	4
Royalities and fees received from franchise and license restaurants \| $	$ 0.5	$ 0.5	$ 1.0	$ 1.0

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details