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Restaurant Closure Charges, Net - Restaurant Closure Liability Activity (Details)
$ in Thousands
6 Months Ended
Jun. 18, 2019
USD ($)
Restructuring Reserve [Roll Forward]  
Balance at January 1, 2019 $ 2,400
Balance at June 18, 2019 100
Closure of 12 Underperforming Restaurants [Member] | Total  
Restructuring Reserve [Roll Forward]  
Balance at January 1, 2019 2,092
Reclassified to operating lease right-of-use assets (1,900)
Cash payments (192)
Adjustments to estimates based on current activity 118
Balance at June 18, 2019 $ 118