Note 13 - Accumulated Other Comprehensive (Loss) Income (Details) - Components of Accumulated Other Comprehensive Income, Net of Tax - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May. 30, 2015	May. 31, 2014	May. 30, 2015		May. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (21,335)	$ (2,970)	$ (2,533)	[1]	$ 1,445
Other comprehensive (loss) income before reclassification	281	2,338	(18,672)		(2,077)
Amounts reclassified from accumulated other comprehensive loss	70		221
Net current period other comprehensive (loss) income	351	2,338	(18,451)		(2,077)
Balance	(20,984)	(632)	(20,984)		(632)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(14,181)	1,148	2,711		5,563
Other comprehensive (loss) income before reclassification	62	2,338	(16,830)		(2,077)
Net current period other comprehensive (loss) income	62	2,338	(16,830)		(2,077)
Balance	(14,119)	3,486	(14,119)		3,486
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(6,510)	(4,118)	(5,244)		(4,118)
Other comprehensive (loss) income before reclassification			(1,417)
Amounts reclassified from accumulated other comprehensive loss			151
Net current period other comprehensive (loss) income			(1,266)
Balance	(6,510)	$ (4,118)	(6,510)		$ (4,118)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(644)
Other comprehensive (loss) income before reclassification	219		(425)
Amounts reclassified from accumulated other comprehensive loss	70		70
Net current period other comprehensive (loss) income	289		(355)
Balance	$ (355)		$ (355)

[1] Derived from audited financial statements