Goodwill And Other Intangible Assets (Summary Of Changes In Carrying Amounts Of Definite-Lived Intangible Assets By Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Beginning balance	$ 13,513	$ 16,244
Amortization expense	(2,706)	(2,951)	$ (2,879)
EZ REACH trade name	175
Translation adjustments	(155)	45
Ending balance	10,652	13,513	16,244
Americas [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance	10,644	12,706
Amortization expense	(2,243)	(2,237)
EZ REACH trade name	175
Translation adjustments
Ending balance	8,401	10,644	12,706
EMEA [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance	2,869	3,538
Amortization expense	(463)	(714)
Translation adjustments	(155)	45
Ending balance	2,251	2,869	3,538
Asia-Pacific [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance
Amortization expense
EZ REACH trade name
Translation adjustments
Ending balance