Note 13 - Components of Accumulated Other Comprehensive Income, Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Feb. 27, 2016		Feb. 28, 2015	Feb. 27, 2016		Feb. 28, 2015
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	$ (21,995)		$ (3,612)	$ (20,423)		$ 2,711
Other comprehensive (loss) income before reclassification	$ (2,011)		$ (10,569)	$ (3,583)		$ (16,892)
Amounts reclassified from accumulated other comprehensive loss
Net current period other comprehensive (loss) income	$ (2,011)		$ (10,569)	$ (3,583)		$ (16,892)
Balance	(24,006)		(14,181)	(24,006)		(14,181)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	$ (4,937)		$ (6,510)	(4,719)		(5,244)
Other comprehensive (loss) income before reclassification				(261)		(1,417)
Amounts reclassified from accumulated other comprehensive loss				43		151
Net current period other comprehensive (loss) income				(218)		(1,266)
Balance	$ (4,937)		$ (6,510)	(4,937)		$ (6,510)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Balance	434			729
Other comprehensive (loss) income before reclassification	175		$ (644)	(48)		$ (644)
Amounts reclassified from accumulated other comprehensive loss	(93)			(165)
Net current period other comprehensive (loss) income	82		$ (644)	(213)		$ (644)
Balance	516		(644)	516		(644)
Balance	(26,498)		(10,122)	(24,413)	[1]	(2,533)
Other comprehensive (loss) income before reclassification	(1,836)		$ (11,213)	(3,892)		(18,953)
Amounts reclassified from accumulated other comprehensive loss	(93)			(122)		151
Net current period other comprehensive (loss) income	(1,929)		$ (11,213)	(4,014)		(18,802)
Balance	$ (28,427)	[2]	$ (21,335)	$ (28,427)	[2]	$ (21,335)

[1] Derived from audited financial statements

[2] In the second fiscal quarter of 2016, the Company adopted updated accounting guidance on the presentation of deferred income taxes. This adoption required that deferred tax liabilities and assets be classified as noncurrent in the Consolidated Balance Sheet. The Company elected to account for this change in presentation prospectively and prior periods were not retroactively adjusted.