Segment Information (Schedule Of Revenue Disaggregated By Type Of Service) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 68,399	$ 69,369
Services And Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,091	30,860
Subscriptions [Member]
Disaggregation of Revenue [Line Items]
Revenue	36,587	33,025
Royalties [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,972	4,225
Leases And Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	749	1,259
Operating Segments [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	52,593	53,445
Operating Segments [Member] | Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	14,744	14,350
Operating Segments [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	49,215	50,167
Operating Segments [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,378	3,278
Operating Segments [Member] | Services And Products [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	22,357	26,360
Operating Segments [Member] | Services And Products [Member] | Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,734	4,500
Operating Segments [Member] | Services And Products [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	22,126	26,217
Operating Segments [Member] | Services And Products [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	231	143
Operating Segments [Member] | Subscriptions [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,830	23,842
Operating Segments [Member] | Subscriptions [Member] | Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	9,757	9,183
Operating Segments [Member] | Subscriptions [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,498	23,490
Operating Segments [Member] | Subscriptions [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	332	352
Operating Segments [Member] | Royalties [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,406	3,243
Operating Segments [Member] | Royalties [Member] | Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,253	667
Operating Segments [Member] | Royalties [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	591	460
Operating Segments [Member] | Royalties [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,815	2,783
Corporate And Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,062	1,574
Corporate And Eliminations [Member] | Royalties [Member]
Disaggregation of Revenue [Line Items]
Revenue	313	315
Corporate And Eliminations [Member] | Leases And Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 749	$ 1,259