Summary Of Refranchisings, Franchisee Development And Acquisitions (Purchase Price Allocations On Franchise Acquisitions) (Details) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 08, 2013	Jul. 07, 2013	Jul. 08, 2012	Jul. 07, 2013	Jul. 08, 2012
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Number of Restaurants Sold to Franchisees	27	18	18	22	55
Proceeds from Divestiture of Businesses	$ 13,700,000	$ 5,549,000	$ 7,289,000	$ 8,415,000	$ 29,253,000
Proceeds From Extension Of Franchise And Lease Agreements		800,000	200,000	1,900,000	2,300,000
Assets, Written off Related to Sale of Business Unit		3,554,000	2,586,000	5,274,000	8,419,000
Goodwill, Written off Related to Sale of Business Unit		129,000	199,000	196,000	851,000
Disposal Group Not Discontinued Operation Other Gain Loss On Disposal		2,292,000	771,000	2,292,000	1,050,000
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal		(1,509,000)	3,733,000	(3,179,000)	18,933,000
Number of New Restaurants Opened by Franchisees		6	7	35	36
Qdoba [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Restaurants acquired from franchisees				12	45
Property and equipment		2,632,000	12,330,000	2,632,000	12,330,000
Reacquired franchise rights		106,000	604,000	106,000	604,000
Liabilities assumed		(281,000)	(121,000)	(281,000)	(121,000)
Business Acquisition, Goodwill, Expected Tax Deductible Amount		7,207,000	35,449,000	7,207,000	35,449,000
Total consideration		9,664,000	48,262,000	9,664,000	48,262,000
Jack In Box [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Restaurants acquired from franchisees				1
Property and equipment		145,000		145,000
Reacquired franchise rights		34,000		34,000
Liabilities assumed		(2,000)		(2,000)
Business Acquisition, Goodwill, Expected Tax Deductible Amount		1,173,000		1,173,000
Total consideration		1,350,000		1,350,000
Goodwill, Written off Related to Sale of Business Unit				(196,000)
Consolidated Entities [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Restaurants acquired from franchisees				13
Property and equipment		2,777,000		2,777,000
Reacquired franchise rights		140,000		140,000
Liabilities assumed		(283,000)		(283,000)
Business Acquisition, Goodwill, Expected Tax Deductible Amount		8,380,000		8,380,000
Total consideration		11,014,000		11,014,000
Loss on anticipated sale [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal		0	0	(2,749,000)	0
Total gain (loss) on the sale of company-operated restaurants [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal		(1,509,000)	3,733,000	(3,179,000)	18,933,000
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		$ (426,000)	$ 3,733,000	$ 653,000	$ 18,933,000