Note 4 - Fair Value Measurements (Tables)

3 Months Ended

Nov. 29, 2014

Disclosure Text Block [Abstract]

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

	As of November 29, 2014
	Level 1		Level 2		Level 3		Fair Value
Assets:
Cash equivalents	$	46,102	$	—	$	—	$	46,102
Pension plan assets		—		4,988		—		4,988
Total	$	46,102	$	4,988	$	—	$	51,090

	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	$	47,552	$	5,008	$	—	$	52,560