Net Earnings Per Share (Schedule of Computation of Basic and Diluted Net Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Nov. 30, 2024	Nov. 30, 2023
Earnings Per Share [Abstract]
Net earnings	$ 17,164	$ 15,019
Weighted average shares outstanding	10,853	11,017
Diluted effect of stock awards	50	42
Weighted average shares outstanding assuming dilution	10,903	11,059
Basic net earnings per share	$ 1.58	$ 1.36
Diluted net earnings per share	$ 1.57	$ 1.36