Goodwill And Other Intangible Assets (Summary Of Changes In Carrying Amounts Of Definite-Lived Intangible Assets By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2019	Nov. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Beginning balance	$ 10,652
Amortization expense	(650)	$ (733)
Translation adjustments	122
Ending balance	10,124
Americas [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance	8,401
Amortization expense	(561)
Translation adjustments
Ending balance	7,840
EMEA [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance	2,251
Amortization expense	(89)
Translation adjustments	122
Ending balance	2,284
Asia-Pacific [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance
Amortization expense
Translation adjustments
Ending balance