Impairment of Long-Lived Assets, Discontinued Operations, Property Held for Sale and Store Closings - Discontinued Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Mar. 15, 2017	Mar. 09, 2016	Mar. 15, 2017	Mar. 09, 2016
Discontinued Operations and Disposal Groups [Abstract]
Discontinued operating loss			$ (12)	$ (147)
Impairments			0	0
Net gains (losses)			0	0
Pretax loss			(12)	(147)
Income tax benefit (expense) from discontinued operations			(403)	58
Loss from discontinued operations, net of income taxes	$ (343)	$ (17)	$ (415)	$ (89)
Effect on EPS from discontinued operations—basic (in dollars per share)	$ (0.01)	$ 0.00	$ (0.02)	$ 0.00

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.

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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Reference 10: http://www.xbrl.org/2003/role/presentationRef
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