Intangible Assets And Goodwill (Schedule Of Allocated Goodwill To Reportable Operating Segments) (Details) $ in Thousands	Aug. 31, 2017 USD ($)
Goodwill [Line Items]
Allocated Goodwill	$ 4,317
Direct Offices [Member]
Goodwill [Line Items]
Allocated Goodwill	2,592
Strategic Markets [Member]
Goodwill [Line Items]
Allocated Goodwill	513
Education Practice [Member]
Goodwill [Line Items]
Allocated Goodwill	154
International Licensees [Member]
Goodwill [Line Items]
Allocated Goodwill	$ 1,058