XML 68 R53.htm IDEA: XBRL DOCUMENT v3.6.0.2
Significant Accounting Policies - Stock-Based Compensation, PP&E, and Deferred Costs (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 25, 2016
Dec. 27, 2015
Dec. 28, 2014
Stock-Based Compensation      
Vesting period 3 years    
Property and Equipment      
Depreciation expense $ 39.7 $ 39.7 $ 39.1
Deferred Costs      
Deferred costs, maximum amortization period 5 years    
Deferred costs $ 2.6 2.6 $ 3.3
Unamortized systems development costs $ 9.8 $ 9.1  
Restaurant, commissary and other equipment | Minimum      
Property and Equipment      
Estimated useful lives 5 years    
Restaurant, commissary and other equipment | Maximum      
Property and Equipment      
Estimated useful lives 10 years    
Buildings and improvements | Minimum      
Property and Equipment      
Estimated useful lives 20 years    
Buildings and improvements | Maximum      
Property and Equipment      
Estimated useful lives 40 years    
Technology and communication assets      
Property and Equipment      
Estimated useful lives 5 years    
Leasehold improvements | Minimum      
Property and Equipment      
Estimated useful lives 5 years    
Leasehold improvements | Maximum      
Property and Equipment      
Estimated useful lives 10 years