Earnings Per Share (Computation of EPS) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	May 31, 2014	Jun. 01, 2013	May 31, 2014	Jun. 01, 2013
Earnings Per Share [Abstract]
Net income	$ 1,922	$ 2,111	$ 5,612	$ 6,599
Basic weighted average shares outstanding	16,754	16,330	16,678	17,680
Stock options and other share-based awards	180	91	228	80
Common stock warrants				709
Diluted weighted average shares outstanding	16,934	16,421	16,906	18,469
Net income per share, Basic	$ 0.11	$ 0.13	$ 0.34	$ 0.37
Net income per share, Diluted	$ 0.11	$ 0.13	$ 0.33	$ 0.36