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Discontinued Operations (Details) $ / shares in Units, $ in Thousands | 12 Months Ended
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Oct. 02, 2016 USD ($) center restaurant $ / shares | Sep. 27, 2015 USD ($) $ / shares | Sep. 28, 2014 USD ($) $ / shares
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Asset impairment charges |  | $ (544) |  | $ (557) | $ (570)
number of distribution center leases assigned to third parties | center |  | 1 |  |  |
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent |  | $ (2,197) |  | $ (3,789) | $ (5,894)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share | $ / shares |  | $ (0.07) |  | $ (0.10) | $ (0.14)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share | $ / shares |  | $ (0.06) |  | $ (0.10) | $ (0.14)
Discontinued Operations [Member] | Discontinued Operation - Distribution Business [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Number of Distribution Centers | center |  | 1 |  |  |
Discontinued Operations [Member] | 2013 Qdoba Closures [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Number of Terminated Lease Agreements |  | 3 |  |  |
Asset impairment charges |  | $ 0 |  | $ 0 | $ (2,170)
Disposal Group, Including Discontinued Operation, Future Lease Commitments Net of Straightline Rent and Tenant Improvement Reversals |  | (2,818) |  | (4,594) | (4,536)
Provision for Doubtful Accounts |  | (234) |  | (366) | 0
Disposal group, Including Discontinued Operations, Brokerage Commissions |  | (58) |  | (234) | (652)
Restructuring Reserve |  | $ 2,943 | [1] | 4,256 |
Number of Restaurants | restaurant |  | 62 |  |  |
Restructuring Reserve, Accrual Adjustment | [2] | $ 2,818 |  |  |
Cash paid to settle restructuring reserve |  | (4,131) |  |  |
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax |  | (3,181) |  | (5,496) | (8,247)
Disposal Group, Including Discontinued Operation, Other Expense |  | $ (71) |  | $ (302) | $ (889)
Locations Subleased at a Loss |  | 6 |  |  |
Locations Marketed for Sublease |  | 16 |  |  |
Discontinued Operations [Member] | 2013 Qdoba Closures [Member] | Weighted Average [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
RemainingLeaseCommitmentTerm |  | 3 years |  |  |
[1] | (2)The weighted average remaining lease term related to these commitments is approximately three years
[2] | (1)Adjustments relate to revisions to certain sublease and cost assumptions due to changes in market conditions, as well as a charge to terminate three lease agreements, and includes interest expense.

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