Summary Of Refranchisings, Franchisee Development And Acquisitions (Purchase Price Allocations On Franchise Acquisitions) (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 06, 2014 restaurant	Jul. 07, 2013 restaurant	Jul. 06, 2014 restaurant	Jul. 07, 2013 restaurant
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Proceeds From Extension Of Franchise And Lease Agreements	$ 400,000	$ 800,000	$ 1,500,000	$ 1,900,000
Significant Changes, Franchises Sold	0	18	14	22
Proceeds from Divestiture of Businesses	357,000	5,549,000	8,199,000	8,415,000
Significant Changes, Franchises Purchased During Period				13
Property and equipment		2,777,000		2,777,000
Reacquired franchise rights		140,000		140,000
Liabilities assumed		283,000		283,000
Goodwill, Acquired During Period			256,000	8,380,000
Total consideration		11,014,000		11,014,000
Assets, Written off Related to Sale of Business Unit	7,000	3,554,000	2,247,000	5,274,000
Goodwill, Written off Related to Sale of Business Unit	5,000	129,000	134,000	196,000
Disposal Group Not Discontinued Operation Other Gain Loss On Disposal	(1,000)	2,292,000	139,000	2,292,000
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	24,000	(1,509,000)	2,242,000	(3,179,000)
Number of New Restaurants Opened by Franchisees	8	6	27	35
Qdoba [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Restaurants acquired from franchisees				12
Significant Changes, Franchises Purchased During Period				12
Property and equipment		2,632,000		2,632,000
Reacquired franchise rights		106,000		106,000
Liabilities assumed		281,000		281,000
Goodwill, Acquired During Period			0	7,207,000
Total consideration		9,664,000		9,664,000
Goodwill, Written off Related to Sale of Business Unit			0
Jack In The Box [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Restaurants acquired from franchisees			4	1
Significant Changes, Franchises Purchased During Period			4	1
Property and equipment	1,398,000	145,000	1,398,000	145,000
Reacquired franchise rights	96,000	34,000	96,000	34,000
Liabilities assumed	0	2,000	0	2,000
Goodwill, Acquired During Period			256,000	1,173,000
Total consideration	1,750,000	1,350,000	1,750,000	1,350,000
Goodwill, Written off Related to Sale of Business Unit			(134,000)
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal			2,242,000
Loss on anticipated sale [Member] | Qdoba [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	0	(1,083,000)	0	(1,083,000)
Loss on anticipated sale [Member] | Jack In The Box [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	(322,000)	0	(3,437,000)	(2,749,000)
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	24,000	(1,509,000)		(3,179,000)
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	$ 346,000	$ (426,000)	$ 5,679,000	$ 653,000