Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Income Taxes [Line Items]
Income tax expense	$ 5,976	$ 5,788
Estimated annual effective income tax rate	28.00%	27.30%
Tax benefit related to vesting of share based compensation awards	$ 100	$ 800