Note 12 - Accumulated Other Comprehensive Income (Loss) (Details) - Components of Accumulated Other Comprehensive Income, Net of Tax (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 29, 2014		Nov. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of August 30, 2014	$ (2,533)	[1]
Other comprehensive (loss) income before reclassification	(7,740)
Amounts reclassified from accumulated other comprehensive loss	151
Net current period other comprehensive (loss) income	(7,589)		(208)
Balance as of November 29, 2014	(10,122)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of August 30, 2014	2,711
Other comprehensive (loss) income before reclassification	(6,323)
Net current period other comprehensive (loss) income	(6,323)
Balance as of November 29, 2014	(3,612)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of August 30, 2014	(5,244)
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 as of November 29, 2014	$ (6,510)

[1] Derived from audited financial statements