Note 12 - Accumulated Other Comprehensive Income (Loss) (Details) - Amounts reclassified from accumulated other comprehensive income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 29, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Actuarial Losses	$ 151
Accumulated Defined Benefit Plans Adjustment, Net Unamortized Gain (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Actuarial Losses	151	[1]
Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Actuarial Losses	$ 151

[1] Amounts included in Selling and administrative expenses in the accompanying Consolidated Statements of Income.