Note 13 - Components of Accumulated Other Comprehensive Income, Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 28, 2015		Nov. 29, 2014
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	$ (20,423)		$ 2,711
Other comprehensive (loss) income before reclassification	$ (1,572)		$ (6,323)
Amounts reclassified from accumulated other comprehensive (loss) income
Net current period other comprehensive (loss) income	$ (1,572)		$ (6,323)
Balance	(21,995)		(3,612)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(4,719)		(5,244)
Other comprehensive (loss) income before reclassification	(261)		(1,417)
Amounts reclassified from accumulated other comprehensive (loss) income	43		151
Net current period other comprehensive (loss) income	(218)		(1,266)
Balance	(4,937)		$ (6,510)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Balance	729
Other comprehensive (loss) income before reclassification	(223)
Amounts reclassified from accumulated other comprehensive (loss) income	(72)
Net current period other comprehensive (loss) income	(295)
Balance	434
Balance	(24,413)	[1]	$ (2,533)
Other comprehensive (loss) income before reclassification	(2,056)		(7,740)
Amounts reclassified from accumulated other comprehensive (loss) income	(29)		151
Net current period other comprehensive (loss) income	(2,085)		(7,589)
Balance	$ (26,498)		$ (10,122)

[1] Derived from audited financial statements.