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Impairment and Other Charges, Net (Cost of Closed Restaurants) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 29, 2019 USD ($) | Sep. 29, 2019 USD ($) | Oct. 01, 2017 restaurant
Restructuring Cost and Reserve [Line Items] |  |  |  |
Impairment of software development cost |  | $ 3,500 |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Number of restaurants closed | restaurant |  |  |  | 3
Facility Closing |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance at beginning of year |  |  | $ 3,534 |
Adjustments | [1] |  | 590 |
Interest expense |  |  | 1,292 |
Cash payments |  |  | (3,591) |
Balance at end of year | [2],[3] | 1,825 | $ 1,825 |
Facility Closing | Weighted Average |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Remaining lease term |  |  | 4 years |
Restaurant Closing Costs |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Other accrued liabilities |  | $ 1,500 | $ 1,500 |
[1] | (1) Adjustments relate primarily to revisions of certain sublease and cost assumptions. Our estimates related to our future lease obligations, primarily the sublease income we anticipate, are subject to a high degree of judgment and may differ from actual sublease income due to changes in economic conditions, desirability of the sites, and other factors.
[2] | (3) This balance excludes $1.5 million of restaurant closing costs that are included in “Accrued liabilities” and “Other long-term liabilities”, which were initially recorded as losses on the sale of company-operated restaurants to franchisees in prior years.
[3] | The weighted-average remaining lease term related to these commitments is approximately four years

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