XML 31 R15.htm IDEA: XBRL DOCUMENT v2.4.0.6
Basis of Presentation - Additional Information (Detail)
Sep. 26, 2012
Location
Country
Restaurants
Organization Consolidation And Presentation Of Financial Statements [Line Items]  
Number of entity restaurants 1,585
Number of countries in which entity operates 32
Number of territories in which entity operates 2