Impairment of Long-Lived Assets, Discontinued Operations, Property Held for Sale and Store Closings - Sales and Pretax Income (Losses) Reported for Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 13, 2019	Mar. 14, 2018	Mar. 13, 2019	Mar. 14, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of income taxes	$ (8)	$ (110)	$ (13)	$ (145)
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales			0	0
Pretax loss			(13)	(8)
Income tax expense from discontinued operations			0	(137)
Loss from discontinued operations, net of income taxes			$ (13)	$ (145)

Impairment of Long-Lived Assets, Discontinued Operations, Property Held for Sale and Store Closings - Sales and Pretax Income (Losses) Reported for Discontinued Operations (Details) - USD ($)
$ in Thousands

3 Months Ended

6 Months Ended

Mar. 13, 2019

Mar. 14, 2018

Mar. 13, 2019

Mar. 14, 2018

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Loss from discontinued operations, net of income taxes

$ (8)

$ (110)

$ (13)

$ (145)

Discontinued Operations

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Sales

Pretax loss

(13)

(8)

Income tax expense from discontinued operations

(137)

Loss from discontinued operations, net of income taxes

$ (13)

$ (145)

- Definition

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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- Definition

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

+ References + Details

- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

+ References + Details