Note 4 - Fair Value Measurements (Details) - USD ($) $ in Thousands	Nov. 28, 2015	Aug. 29, 2015
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash equivalents	$ 51,795	$ 42,093
Pension plan assets
Foreign currency forward contracts
Total assets at fair value	$ 51,795	$ 42,093
Fair Value, Inputs, Level 2 [Member]
Assets:
Cash equivalents
Pension plan assets	$ 4,634	$ 4,757
Foreign currency forward contracts	705	524
Total assets at fair value	5,339	5,281
Cash equivalents	51,795	42,093
Pension plan assets	4,634	4,757
Foreign currency forward contracts	705	524
Total assets at fair value	$ 57,134	$ 47,374