| Component: (Network and Table) | |
|---|---|
| Network | 2409403 - Disclosure - Impairment, Disposition Of Property And Equipment, And Restaurant Closing Costs (Impairment And Disposal Costs Included In Impairment And Other Charges) (Details) (http://www.jackinthebox.com/role/ImpairmentDispositionOfPropertyAndEquipmentAndRestaurantClosingCostsImpairmentAndDisposalCostsIncludedInImpairmentAndOtherChargesDetails) |
| Table | Impairment, Disposition of Property and Equipment, Restaurant Closing and Restructuring Costs [Table] |
| Reporting Entity [Axis] | 0000807882 (http://www.sec.gov/CIK) |
| Impairment, Disposition of Property and Equipment, and Restaurant Closing Costs [Line Items] | Period [Axis] | |||||
|---|---|---|---|---|---|---|
2011-10-03 - 2012-09-30 | 2010-10-04 - 2011-10-02 | 2009-09-28 - 2010-10-03 | ||||
| Impairment, Disposition of Property and Equipment, Restaurant Closing Costs, and Restructuring [Axis] | Impairment, Disposition of Property and Equipment, Restaurant Closing Costs, and Restructuring [Axis] | Impairment, Disposition of Property and Equipment, Restaurant Closing Costs, and Restructuring [Axis] | ||||
| Segment, Continuing Operations [Member] | Impairment, Disposition of Property and Equipment, Restaurant Closing Costs, and Restructuring [Domain] | Segment, Continuing Operations [Member] | Impairment, Disposition of Property and Equipment, Restaurant Closing Costs, and Restructuring [Domain] | Segment, Continuing Operations [Member] | Impairment, Disposition of Property and Equipment, Restaurant Closing Costs, and Restructuring [Domain] | |
Impairment charges | 3,112,000 | 1,367,000 | 12,970,000 | |||
Losses on the disposition of property and equipment, net | 6,027,000 | 6,281,000 | 7,561,000 | 7,650,000 | 10,734,000 | 10,757,000 |
Costs of closed restaurants (primary lease obligations) and other | 8,332,000 | 3,655,000 | 25,160,000 | |||
Restructuring costs | 15,461,000 | 0 | 0 | |||
Impairment and other charges, net | 32,932,000 | 12,583,000 | 48,864,000 | |||