XML 64 R47.htm IDEA: XBRL DOCUMENT v3.6.0.2
Summary of Significant Accounting Policies (Revenue) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 27, 2016
Dec. 29, 2015
Dec. 30, 2014
Revenue Recognition      
Estimated gift cards sold by Company that are never redeemed (as a percent) 4.00%    
Amortization period of gift cards breakage 3 years    
Ongoing royalties received as a percentage of sales from domestic franchisees and international franchisee, low end of range 2.00%    
Ongoing royalties received as a percentage of sales from domestic franchisees and international franchisee, high end of range 4.00%    
Initial franchise fees $ 0.3 $ 0.3 $ 0.6
Revenue recorded for supervisory and administrative services $ 1.1 1.1 1.0
Advertising      
Designated portion of sales from domestic and franchise restaurants remitted to the advertising fund 0.30%    
Company-owned restaurant contribution and other costs related to marketing initiatives $ 13.3 $ 11.7 $ 10.8