XML 65 R47.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies, PPE (Details) - USD ($)
12 Months Ended
Dec. 25, 2018
Dec. 26, 2017
Dec. 27, 2016
Property and Equipment      
Repairs and maintenance expense $ 29,700,000 $ 25,800,000 $ 22,400,000
Impairment of Goodwill      
Impairment of goodwill 0 0 0
Impairment or Disposal of Long-Lived Assets      
Maximum threshold amount considered for impairment 300,000    
Impairment of restaurant $ 0 $ 0 $ 0
Minimum      
Impairment or Disposal of Long-Lived Assets      
Impairment analysis, estimated useful life of operating a restaurant 20 years    
Land improvements | Minimum      
Property and Equipment      
Estimated useful life 10 years    
Land improvements | Maximum      
Property and Equipment      
Estimated useful life 25 years    
Buildings and leasehold improvements | Minimum      
Property and Equipment      
Estimated useful life 10 years    
Buildings and leasehold improvements | Maximum      
Property and Equipment      
Estimated useful life 25 years    
Furniture, fixtures And equipment | Minimum      
Property and Equipment      
Estimated useful life 3 years    
Furniture, fixtures And equipment | Maximum      
Property and Equipment      
Estimated useful life 10 years