Quarterly report pursuant to Section 13 or 15(d)

Impairment and Restaurant Closures (Details)

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Impairment and Restaurant Closures (Details)
6 Months Ended
Jul. 12, 2015
USD ($)
restaurant
Jul. 13, 2014
USD ($)
restaurant
Restructuring and Related Activities [Abstract]    
Number of restaurants closed 1 2
Impairment recorded | $ $ 0 $ 0