XML 37 R40.htm IDEA: XBRL DOCUMENT v2.4.0.8
Business and Summary of Significant Accounting Policies (Franchising) (Details) (Franchise [Member])
12 Months Ended
Jan. 01, 2013
restaurant
Jan. 03, 2012
restaurant
Dec. 28, 2010
restaurant
Oct. 01, 2013
restaurant
Franchise [Member]
       
Franchisor Disclosure [Line Items]        
Number of restaurants 51 45 43 58
Number of restaurants opened during period 6 2 0