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System Optimization Gains, Net Assets Held for Sale (Details)
$ in Thousands
Oct. 03, 2021
USD ($)
number_of_restaurants
Apr. 04, 2021
number_of_restaurants
Jan. 03, 2021
USD ($)
number_of_restaurants
Long lived assets held for sale      
Number of restaurants classified as held for sale | number_of_restaurants 0   43
Number of Manhattan restaurants classified as assets held for sale | number_of_restaurants   4  
Net restaurant assets held for sale      
Long lived assets held for sale      
Assets held for sale | $ $ 0   $ 20,587
Other assets held for sale      
Long lived assets held for sale      
Assets held for sale | $ $ 3,749   $ 1,732