Earnings Per Share (Computation Of Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022
Numerator for basic and diluted income per share:
Net income	$ 23,402	$ 17,781	$ 18,430
Denominator for basic and diluted income per share:
Basic weighted average shares outstanding	13,171	13,640	14,147
Effect of dilutive securities:
Stock-based compensation awards	301	659	408
Diluted weighted average shares outstanding	13,472	14,299	14,555
EPS Calculations:
Net income per share: Basic	$ 1.78	$ 1.30	$ 1.30
Net income per share: Diluted	$ 1.74	$ 1.24	$ 1.27