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Restaurant Closure Charges, Net - Additional Information (Details)
3 Months Ended 4 Months Ended
Mar. 28, 2017
USD ($)
Mar. 22, 2016
USD ($)
Dec. 29, 2015
location
Jan. 03, 2017
USD ($)
Restructuring Cost and Reserve [Line Items]        
Current portion of restaurant closure liability $ 579,000     $ 875,000
Non-current portion of restaurant closure liability 2,289,000     2,263,000
Charges for accretion in current period 43,000 $ 124,000    
Closure of 12 Underperforming Restaurants [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring closure liability 1,537,000     1,773,000
Current portion of restaurant closure liability 300,000     600,000
Non-current portion of restaurant closure liability 1,200,000     1,200,000
Number of underperforming locations | location     12  
Charges for accretion in current period 17,000      
Operating Leases, Rent Expense, Sublease Rentals 34,000      
Successor [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring closure liability 2,800,000     3,100,000
Facility Closing [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring closure liability 1,331,000     1,365,000
Current portion of restaurant closure liability 300,000     300,000
Non-current portion of restaurant closure liability 1,000,000     $ 1,100,000
Charges for accretion in current period $ 26,000