Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2022	Nov. 30, 2021
Income Taxes [Line Items]
Income tax expense	$ 5,788	$ 1,574
Estimated annual effective income tax rate	27.30%	24.20%
Tax benefit related to vesting of share based compensation awards	$ 800	$ 700