Note 3 - Fair Value Measurements (Details) - Fair Value Measurments - USD ($) $ in Thousands	Aug. 29, 2015	Aug. 30, 2014
Assets:
Cash equivalents	$ 42,093	$ 47,552
Pension plan assets	4,757	5,008
Foreign currency forward contracts	524
Total assets at fair value	47,374	52,560
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash equivalents	42,093	47,552
Total assets at fair value	42,093	47,552
Fair Value, Inputs, Level 2 [Member]
Assets:
Pension plan assets	4,757	5,008
Foreign currency forward contracts	524
Total assets at fair value	$ 5,281	$ 5,008