Note 14 - Accumulated Other Comprehensive (Loss) Income (Details) - Components of Accumulated Other Comprehensive Income, Net of Tax - USD ($) $ in Thousands	12 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (2,533)	$ 1,445
Change during the year	(21,880)	(3,978)	$ (5,826)
Balance	(24,413)	(2,533)	1,445
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	2,711	5,563
Change during the year	(23,134)	(2,852)
Balance	(20,423)	2,711	5,563
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(5,244)	(4,118)
Change during the year	525	(1,126)
Balance	(4,719)	$ (5,244)	$ (4,118)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Change during the year	729
Balance	$ 729