Earnings Per Common Share (Tables)	3 Months Ended
	Nov. 30, 2021
Earnings Per Common Share [Abstract]
Schedule Of Reconciliation Of Net Income To Net Income Available To Common Shareholders	Three Months Ended November 30, 2021 2020Net income$ 18,555 $ 23,623Less: Net income allocated to participating securities (64) (110)Net income available to common shareholders$ 18,491 $ 23,513
Schedule Of Weighted Average Number Of Shares	Three Months Ended November 30, 2021 2020Weighted-average common shares outstanding, basic 13,716 13,675Weighted-average dilutive securities 36 31Weighted-average common shares outstanding, diluted 13,752 13,706