Note 11 - Impairment of Long-Lived Assets, Discontinued Operations and Property Held for Sale (Details) - Sales and Pretax Income (losses) Reported for Discontinued Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
Aug. 27, 2014	Aug. 28, 2013	Aug. 29, 2012
Sales and Pretax Income (losses) Reported for Discontinued Operations [Abstract]
Sales	$ 4,691	$ 6,153
Pretax income (loss)	(2,813)	(1,926)	(1,064)
Income tax (expense) benefit on discontinued operations	979	540	419
Income (loss) on discontinued operations	$ (1,834)	$ (1,386)	$ (645)
Discontinued locations closed during the period	5	0	0

Note 11 - Impairment of Long-Lived Assets, Discontinued Operations and Property Held for Sale (Details) - Sales and Pretax Income (losses) Reported for Discontinued Operations (USD $)
In Thousands, unless otherwise specified

12 Months Ended

Aug. 27, 2014

Aug. 28, 2013

Aug. 29, 2012

Sales and Pretax Income (losses) Reported for Discontinued Operations [Abstract]

Sales

$ 4,691

$ 6,153

Pretax income (loss)

(2,813)

(1,926)

(1,064)

Income tax (expense) benefit on discontinued operations

979

540

419

Income (loss) on discontinued operations

$ (1,834)

$ (1,386)

$ (645)

Discontinued locations closed during the period

- Definition

Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income 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.

+ References+ Details

- Definition

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.

+ References+ Details

- Definition

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.

+ References+ Details