Note 14 - Amounts Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		12 Months Ended
		Aug. 27, 2016	Aug. 29, 2015
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Amounts reclassified from accumulated other comprehensive loss	[1]	$ 43	$ 151
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Amounts reclassified from accumulated other comprehensive loss		43	151
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Amounts reclassified from accumulated other comprehensive loss		(215)	21
Forward Contracts [Member]
Amounts reclassified from accumulated other comprehensive loss	[2]	(215)	21
Amounts reclassified from accumulated other comprehensive loss		$ (172)	$ 172

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

[2] Amounts included in revenues in the accompanying Consolidated Statements of Income.