Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies (Details 3)

v3.6.0.2
Description of Business and Summary of Significant Accounting Policies (Details 3) - USD ($)
$ in Millions
12 Months Ended
Dec. 25, 2016
Dec. 27, 2015
Dec. 28, 2014
Property and equipment      
Capitalized interest $ 0.2 $ 0.2 $ 0.2
Capitalized overhead $ 4.1 $ 4.1 $ 3.8
Buildings | Minimum      
Property and equipment      
Estimated useful lives 5 years    
Buildings | Maximum      
Property and equipment      
Estimated useful lives 20 years    
Leasehold improvements | Maximum      
Property and equipment      
Estimated useful lives 20 years    
Furniture, fixtures and equipment | Minimum      
Property and equipment      
Estimated useful lives 5 years    
Furniture, fixtures and equipment | Maximum      
Property and equipment      
Estimated useful lives 20 years    
Computer equipment | Minimum      
Property and equipment      
Estimated useful lives 2 years    
Computer equipment | Maximum      
Property and equipment      
Estimated useful lives 5 years