Basis Of Presentation And Description Of Business (Description of Business) (Details)	Aug. 13, 2012 Restaurant
Restaurants [Line Items]
Number of restaurants	3,279
Company-operated [Member]
Restaurants [Line Items]
Number of restaurants	892
Domestic franchised [Member]
Restaurants [Line Items]
Number of restaurants	1,933
International franchised [Member]
Restaurants [Line Items]
Number of restaurants	454
Carl's Jr. [Member]
Restaurants [Line Items]
Number of restaurants	1,333
Carl's Jr. [Member] | Company-operated [Member]
Restaurants [Line Items]
Number of restaurants	423
Carl's Jr. [Member] | Domestic franchised [Member]
Restaurants [Line Items]
Number of restaurants	696
Carl's Jr. [Member] | International franchised [Member]
Restaurants [Line Items]
Number of restaurants	214
Hardee's [Member]
Restaurants [Line Items]
Number of restaurants	1,939
Hardee's [Member] | Company-operated [Member]
Restaurants [Line Items]
Number of restaurants	469
Hardee's [Member] | Domestic franchised [Member]
Restaurants [Line Items]
Number of restaurants	1,230
Hardee's [Member] | International franchised [Member]
Restaurants [Line Items]
Number of restaurants	240
Other Restaurants [Member]
Restaurants [Line Items]
Number of restaurants	7
Other Restaurants [Member] | Company-operated [Member]
Restaurants [Line Items]
Number of restaurants	0
Other Restaurants [Member] | Domestic franchised [Member]
Restaurants [Line Items]
Number of restaurants	7
Other Restaurants [Member] | International franchised [Member]
Restaurants [Line Items]
Number of restaurants	0
Hardee's [Member] | Company-operated [Member] | Red Burrito [Member]
Restaurants [Line Items]
Number of restaurants	252
Carl's Jr. [Member] | Company-operated [Member] | Green Burrito [Member]
Restaurants [Line Items]
Number of restaurants	261