Earnings Per Share (Computation Of Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Numerator for basic and diluted income per share:
Net income	$ 5,721	$ 4,563	$ 11,446	$ 10,969
Denominator for basic and diluted income per share:
Basic weighted average shares outstanding	13,160	13,621	13,222	13,799
Effect of dilutive securities:
Stock-based compensation awards	218	652	277	638
Diluted weighted average shares outstanding	13,378	14,273	13,499	14,437
EPS Calculations:
Net income per share: Basic	$ 0.43	$ 0.33	$ 0.87	$ 0.79
Net income per share: Diluted	$ 0.43	$ 0.32	$ 0.85	$ 0.76