Summary Of Refranchisings, Franchisee Development And Acquisitions (Purchase Price Allocations On Franchise Acquisitions) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	4 Months Ended
	Jul. 08, 2012	Jan. 19, 2014 restaurant	Jan. 20, 2013 restaurant
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Proceeds from Divestiture of Businesses		$ 468	$ 833
Goodwill, Acquired During Period		256
Assets, Written off Related to Sale of Business Unit		0	85
Goodwill, Written off Related to Sale of Business Unit		9	0
Disposal Group Not Discontinued Operation Other Gain Loss On Disposal	0	(2)
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal		461	748
Number of New Restaurants Opened by Franchisees		13	20
Qdoba [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Restaurants acquired from franchisees			6
Significant Changes, Franchises Purchased During Period			7
Property and equipment			1,138
Reacquired franchise rights			96
Liabilities assumed			(95)
Goodwill, Acquired During Period		0	6,661
Total consideration			7,800
Jack In Box [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Restaurants acquired from franchisees		4	1
Significant Changes, Franchises Purchased During Period		4
Property and equipment		1,398
Reacquired franchise rights		96
Liabilities assumed		0
Goodwill, Acquired During Period		256
Total consideration		1,750
Goodwill, Written off Related to Sale of Business Unit		(9)
Subtotal of gains (losses) on sale of company-operated restaurants [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal			$ 748