Income Taxes (Schedule Of Significant Components Of Income Tax Provision) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Income Tax Disclosure [Abstract]
Federal, Current	$ 9,313	$ 7,873	$ 10,570
State, Current	1,047	781	976
Foreign, Current	3,266	4,785	3,230
Total Current	13,626	13,439	14,776
Federal, Deferred	517	(688)	(5,456)
State, Deferred	(47)	(43)	(268)
Foreign, Deferred	(520)	(172)	(31)
Total Deferred	(50)	(903)	(5,755)
Total income tax provision	$ 13,576	$ 12,536	$ 9,021