XML 87 R71.htm IDEA: XBRL DOCUMENT v3.22.4
Fair Value Measurements - Assets (Details)
 12 Months Ended
Dec. 27, 2022
USD ($)
restaurant
Dec. 28, 2021
USD ($)
Dec. 29, 2020
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 $ (1,100,000)
Equity income (loss) from investments in unconsolidated affiliates $ 1,239,000 (637,000) $ (500,000)
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 2 | 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, total gain (loss) $ (1,000,000.0)    
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 sale   1,175,000  
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)   (470,000)  
Long-lived assets held for sale. total gain (loss) 690,000    
Operating lease right-of-use assets, total gain (loss) (708,000)    
Assets reduced to fair value $ 0    
Level 3 | Fair value measured on a nonrecurring basis | China Joint Venture      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity income (loss) from investments in unconsolidated affiliates   $ (1,531,000)  
Ownership percentage 40.00% 40.00%  
Level 3 | Fair value measured on a nonrecurring basis | China Joint Venture      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity income (loss) from investments in unconsolidated affiliates   $ (1,500,000)