Note 13 - Components of Accumulated Other Comprehensive Income, Net of Tax (Details) - USD ($)	3 Months Ended		9 Months Ended
	May 28, 2016	May 30, 2015	May 28, 2016	May 30, 2015
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	$ (24,006,000)	$ (14,181,000)	$ (20,423,000)	$ 2,711,000
Other comprehensive (loss) income before reclassification	3,806,000	62,000	223,000	(16,830,000)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Net current period other comprehensive (loss) income	3,806,000	62,000	223,000	(16,830,000)
Balance	(20,200,000)	(14,119,000)	(20,200,000)	(14,119,000)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(4,937,000)	(6,510,000)	(4,719,000)	(5,244,000)
Other comprehensive (loss) income before reclassification	0	0	(261,000)	(1,417,000)
Amounts reclassified from accumulated other comprehensive loss	0	0	43,000	151,000
Net current period other comprehensive (loss) income	0	0	(218,000)	(1,266,000)
Balance	(4,937,000)	(6,510,000)	(4,937,000)	(6,510,000)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Balance	516,000	(644,000)	729,000
Other comprehensive (loss) income before reclassification	(344,000)	219,000	(392,000)	(425,000)
Amounts reclassified from accumulated other comprehensive loss	(36,000)	70,000	(201,000)	70,000
Net current period other comprehensive (loss) income	(380,000)	289,000	(593,000)	(355,000)
Balance	136,000	(355,000)	136,000	(355,000)
Balance	(28,427,000)	(21,335,000)	(24,413,000)	(2,533,000)
Other comprehensive (loss) income before reclassification	3,462,000	281,000	(430,000)	(18,672,000)
Amounts reclassified from accumulated other comprehensive loss	(36,000)	70,000	(158,000)	221,000
Net current period other comprehensive (loss) income	3,426,000	351,000	(588,000)	(18,451,000)
Balance	$ (25,001,000)	$ (20,984,000)	$ (25,001,000)	$ (20,984,000)