Summary Of Refranchisings, Franchisee Development And Acquisitions (Number Of Restaurants Sold And Developed By Franchisees And Related Gains And Fees Recognized) (Details) (USD $) In Thousands, unless otherwise specified	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]
Significant Changes, Franchises Sold	0	18	14	22
New restaurants opened by franchisees	8	6	27	35
Initial franchise fees	$ 207	$ 1,005	$ 1,361	$ 2,040
Proceeds	(357)	(5,549)	(8,199)	(8,415)
Net assets sold (primarily property and equipment)	(7)	(3,554)	(2,247)	(5,274)
Goodwill related to the sale of company-operated restaurants	(5)	(129)	(134)	(196)
Disposal Group Not Discontinued Operation Other Gain Loss On Disposal	(1)	2,292	139	2,292
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	(24)	1,509	(2,242)	3,179
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)	426	(5,679)	(653)
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)	1,509		3,179
Qdoba [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Goodwill related to the sale of company-operated restaurants			0
Qdoba [Member] | Loss on anticipated sale [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	0	1,083	0	1,083
Jack In The Box [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Goodwill related to the sale of company-operated restaurants			134
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal			(2,242)
Jack In The Box [Member] | Loss on anticipated sale [Member]
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ 322	$ 0	$ 3,437	$ 2,749