Earnings Per Share (Computation Of EPS) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 28, 2016	May 30, 2015	May 28, 2016	May 30, 2015
Numerator for basic and diluted earnings per share:
Net income (loss)	$ (1,052)	$ 1,191	$ (710)	$ 3,447
Denominator for basic and diluted earnings per share:
Basic weighted average shares outstanding	14,259	16,739	15,259	16,839
Effect of dilutive securities:
Stock options and other share-based awards		161		187
Diluted weighted average shares outstanding	14,259	16,900	15,259	17,026
EPS Calculations:
Net income (loss) per share: Basic	$ (0.07)	$ 0.07	$ (0.05)	$ 0.20
Net income (loss) per share: Diluted	$ (0.07)	$ 0.07	$ (0.05)	$ 0.20