XML 79 R60.htm IDEA: XBRL DOCUMENT v3.3.1.900
Summary of Significant Accounting Policies (Revenue Recognition) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 31, 2013
Restaurant sales [Member]      
Revenue Recognition [Line Items]      
Revenue recognition, gift cards, breakage $ 22.9 $ 18.8 $ 16.3
Other current assets, net [Member]      
Revenue Recognition [Line Items]      
Deferred gift card commission costs $ 16.1 $ 15.6