Related Party Transactions (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 24, 2024 USD ($) restaurant	Sep. 26, 2023 USD ($) restaurant	Sep. 24, 2024 USD ($) restaurant	Sep. 26, 2023 USD ($) restaurant
Franchised Units [Member]
Related Party Transactions
Number of restaurants	115	99	115	99
Officers, directors and shareholders \| Consolidated Properties [Member]
Related Party Transactions
Number of restaurants	1	1	1	1
Officers, directors and shareholders \| Franchised Units [Member]
Related Party Transactions
Number of restaurants	4	4	4	4
Royalities and fees received from franchise and license restaurants \| $	$ 0.5	$ 0.5	$ 1.5	$ 1.5

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