Note 4 - Fair Value Measurements (Tables)

6 Months Ended

Feb. 28, 2015

Disclosure Text Block [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	As of February 28, 2015
	Level 1		Level 2		Level 3		Fair Value
Assets:
Cash equivalents	$	43,463	$	—	$	—	$	43,463
Pension plan assets		—		4,926		—		4,926
Total assets at fair value	$	43,463	$	4,926	$	—	$	48,389
Liabilities:
Foreign currency forward contracts	$	—	$	649	$	—	$	649
Total liabilities at fair value	$	—	$	649	$	—	$	649

	As of August 30, 2014
	Level 1		Level 2		Level 3		Fair Value
Assets:
Cash equivalents	$	47,552	$	—	$	—	$	47,552
Pension plan assets		—		5,008		—		5,008
Total assets at fair value	$	47,552	$	5,008	$	—	$	52,560