Note 7 - Impairment of Long-Lived Assets, Discontinued Operations and Property Held for Sale (Details) - Discontinued Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Nov. 19, 2014	Nov. 20, 2013
Discontinued Operations [Abstract]
Discontinued operating losses	$ (308)	$ (633)
Impairments		(277)
Pretax loss	(308)	(910)
Income tax benefit from discontinued operations	105	57
Loss from discontinued operations	$ (203)	$ (853)
Effect on EPS from discontinued operations—basic (in Dollars per share)	$ (0.01)	$ (0.03)

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Represents impairment charges related to discontinued operations.

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No definition available.

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Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.

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