Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies (Details 5)

v3.8.0.1
Description of Business and Summary of Significant Accounting Policies (Details 5) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 25, 2016
Dec. 27, 2015
Goodwill and intangible assets, net      
Goodwill impairment losses $ 0 $ 0 $ 0
Liquor licenses | Maximum      
Goodwill and intangible assets, net      
Amortization period of non-transferable liquor licenses 20 years