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. 14, 2018	Mar. 15, 2017	Mar. 14, 2018	Mar. 15, 2017
Discontinued Operations and Disposal Groups [Abstract]
Sales			$ 0	$ 0
Pretax loss			(8)	(12)
Income tax expense from discontinued operations			(138)	(403)
Loss from discontinued operations, net of income taxes	$ (111)	$ (343)	$ (146)	$ (415)

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. 14, 2018

Mar. 15, 2017

Mar. 14, 2018

Mar. 15, 2017

Discontinued Operations and Disposal Groups [Abstract]

Sales

$ 0

Pretax loss

(8)

(12)

Income tax expense from discontinued operations

(138)

(403)

Loss from discontinued operations, net of income taxes

$ (111)

$ (343)

$ (146)

$ (415)

- 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