Note 13 - Amounts Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($)		3 Months Ended		9 Months Ended
		May 28, 2016	May 30, 2015	May 28, 2016		May 30, 2015
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Amounts reclassified from accumulated other comprehensive loss		$ 0	$ 0	$ 43,000	[1]	$ 151,000	[1]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Amounts reclassified from accumulated other comprehensive loss		0	0	43,000		151,000
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Amounts reclassified from accumulated other comprehensive loss		(36,000)	70,000	(201,000)		70,000
Forward Contracts [Member]
Amounts reclassified from accumulated other comprehensive loss	[2]	(36,000)	70,000	(201,000)		70,000
Amounts reclassified from accumulated other comprehensive loss		$ (36,000)	$ 70,000	$ (158,000)		$ 221,000

[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.