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Impairment and other charges, net Restructuring cost (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 14, 2019 | Apr. 15, 2018 | Apr. 14, 2019 | Apr. 15, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | $ 946 | $ 2,575 | $ 6,786 | $ 2,933
Restructuring and Related Cost, Expected Cost Remaining |  | 600 |  | 600 |
Employee Severance [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | 642 | 1,808 | 5,148 | 1,352
Strategic Alternative Evaluation [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs | [1] | 304 | 0 | 1,638 | 0
Qdoba evaluation cost [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs | [2] | 0 | 767 | 0 | 1,580
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 of expected cost remaining for the specified restructuring cost. + References No definition available. + Details
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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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