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Summary Of Refranchisings, Franchisee Development And Acquisitions (Number Of Restaurants Sold And Developed By Franchisees And Related Gains And Fees Recognized) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
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Jul. 03, 2016 USD ($) restaurant | Jul. 05, 2015 USD ($) restaurant | Jul. 03, 2016 USD ($) restaurant | Jul. 05, 2015 USD ($) restaurant
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |  |
Initial franchise fees |  | $ 205 | $ 130 | $ 710 | $ 1,113
Proceeds from the sale of company-operated restaurants (1) |  |  |  | 1,434 | 2,651
Gains (losses) on the sale of company-operated restaurants |  | $ 409 | $ (183) | $ 1,224 | $ (4,353)
Jack in the box brand restaurant operations [Member] |  |  |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |  |
Significant Changes, Franchises Sold | restaurant |  | 0 | 0 | 1 | 21
New restaurants opened by franchisees | restaurant |  | 4 | 1 | 9 | 12
Proceeds from the sale of company-operated restaurants (1) | [1] | $ 413 | $ 21 | $ 1,434 | $ 2,651
Net assets sold (primarily property and equipment) |  | 0 | (204) | (196) | (2,638)
Goodwill related to the sale of company-operated restaurants |  | (5) | 0 | (15) | (32)
Other (2) | [2] | 1 | 0 | 1 | (4,334)
Gains (losses) on the sale of company-operated restaurants |  | 409 | (183) | 1,224 | (4,353)
Proceeds From Extension Of Franchise And Lease Agreements |  | $ 400 | $ 100 | $ 1,400 | $ 200
Qdoba brand restaurant operations [Member] |  |  |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |  |
New restaurants opened by franchisees | restaurant |  | 1 | 4 | 11 | 15
[1] | Amounts in 2016 and 2015 include additional proceeds recognized upon the extension of the underlying franchise and lease agreements related to restaurants sold in a prior year of $0.4 million and $0.1 million, respectively, in the quarter, and $1.4 million and $0.2 million, respectively, year-to-date.
[2] | (2)Amounts in 2015 include lease commitment charges related to restaurants closed in connection with the sale of the related market, and charges for operating restaurant leases with lease commitments in excess of our sublease rental income.

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- Definition Write-off of the carrying amount of certain assets, primarily property and equipment but including other miscellaneous assets, associated with all or a portion of a reporting unit that is sold in the period. + References No definition available. + Details
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- Definition Number of New Restaurants Opened by Franchisees + References No definition available. + Details
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- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2941-110230 + Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The number of franchises sold during the period when there are significant changes in franchisor-owned outlets or franchised outlets during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 952 -SubTopic 605 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68064525&loc=d3e68639-108044 + Details
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