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Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019
Income Taxes [Abstract]
Amount computed at U.S. statutory federal tax rate	$ 18,165	$ 15,858	$ 16,962
State income taxes, net of federal tax benefits	803	853	963
Effect of foreign operations	629	297	318
Net benefit from GILTI/FDII	(1,764)	(1,582)	(1,404)
Toll tax, net of foreign tax credits			8,665
Benefit from stock compensation	(1,813)	(1,129)	(1,107)
Other	250	508	465
Provision for income taxes	$ 16,270	$ 14,805	$ 24,862

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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