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Summary of Significant Accounting Policies, Advertising (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 26, 2023
Dec. 27, 2022
Dec. 28, 2021
Advertising      
Company-owned restaurant contribution and other costs related to marketing initiatives $ 28,300 $ 25,000 $ 21,100
Foreign currency translation adjustment on impairment of foreign investment $ 0 $ 0 $ 106