Segment Information (Schedule Of Segment Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2020	Nov. 30, 2019
Segment Reporting Information [Line Items]
Sales to External Customers	$ 48,324	$ 58,613
Gross Profit	36,386	42,029
Adjusted EBITDA	3,716	4,961
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	1,487	1,699
Gross Profit	676	841
Adjusted EBITDA	(1,986)	(1,682)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA	5,702	6,643
Operating Segments [Member] | Enterprise Division [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	39,339	45,832
Gross Profit	31,724	34,531
Adjusted EBITDA	7,987	7,745
Operating Segments [Member] | Education Practice [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	7,498	11,082
Gross Profit	3,986	6,657
Adjusted EBITDA	(2,285)	(1,102)
Operating Segments [Member] | Direct Offices [Member] | Enterprise Division [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	36,743	42,111
Gross Profit	29,439	31,411
Adjusted EBITDA	6,693	5,710
Operating Segments [Member] | International Licensees [Member] | Enterprise Division [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	2,596	3,721
Gross Profit	2,285	3,120
Adjusted EBITDA	$ 1,294	$ 2,035