Contract Termination And Restructuring Costs (Schedule Of Restructuring Charges) (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Total restructuring charge		$ 1,482	$ 776
Fiscal 2017 Restructuring Costs [Member]
Total restructuring charge		$ 3,600
US and Canada Direct Office Restructuring [Member] \| Fiscal 2017 Restructuring Costs [Member]
Severance costs	$ 986
Office closure costs	496
Total restructuring charge	$ 1,482

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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