Note 4 - Reconciliation of Provision for Income Taxes (Details)	12 Months Ended
Aug. 27, 2016	Aug. 29, 2015	Aug. 30, 2014
Income taxes at the statutory federal income tax rate	35.00%	35.00%	35.00%
State income taxes	3.50%	3.50%	3.80%
Adjustments to tax reserves	0.20%	0.10%	0.10%
Foreign tax rate differential	(0.40%)	(0.70%)	(0.50%)
Permanent and other	0.20%	0.30%	0.20%
Total	38.50%	38.20%	38.60%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section 50
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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