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Impairment and other charges, net Restructuring cost (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 07, 2019 | Jul. 08, 2018 | Jul. 07, 2019 | Jul. 08, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | $ (64) | $ 1,872 | $ 6,722 | $ 4,805
Restructuring and Related Cost, Expected Cost Remaining |  | 200 |  | 200 |
Employee Severance [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | 287 | 1,476 | 5,436 | 2,828
Strategic Alternative Evaluation [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs | [1] | (351) | 376 | 1,286 | 1,188
Qdoba evaluation cost [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs | [2] | 0 | 20 | 0 | 788
Other Restructuring [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | $ 0 | $ 0 | $ 0 | $ 1
[1] | Strategic Alternative Evaluation costs are primarily related to third party advisory services.
[2] | Qdoba Evaluation costs are primarily related to retention compensation and third party advisory services.

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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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