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Fair Value Measurement - Assets (Details)
 12 Months Ended
Dec. 26, 2023
USD ($)
Dec. 27, 2022
USD ($)
restaurant
Dec. 28, 2021
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Restructuring, Settlement and Impairment Provisions    
Impairment $ 0 $ 0 $ 0
Property Plant and Equipment      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Number of restaurants | restaurant   1  
Operating Lease Right-of-Use Assets      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Number of restaurants | restaurant   2  
Level 3 | Fair value measured on a nonrecurring basis      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long-lived assets held for use   $ 2,000,000  
Long-lived assets held for use, total gain (loss)   997,000  
Long-lived assets held for sale, total gain (loss)   690,000  
Long-lived assets held for sale. total gain (loss)   700,000  
Operating lease right-of-use assets, total gain (loss)   (708,000)  
Assets reduced to fair value   $ 0