Segment Information (Schedule Of Revenue Disaggregated By Type Of Service) (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 280,521	$ 262,841	$ 224,168
Services And Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	120,931	118,887	104,943
Subscriptions [Member]
Disaggregation of Revenue [Line Items]
Revenue	138,981	123,373	99,531
Royalties [Member]
Disaggregation of Revenue [Line Items]
Revenue	16,740	15,182	14,468
Leases And Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,869	5,399	5,226
Operating Segments [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	205,666	194,396	168,644
Operating Segments [Member] \| Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	69,736	61,852	48,902
Operating Segments [Member] \| Direct Offices [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	194,021	183,845	159,608
Operating Segments [Member] \| International Licensees [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	11,645	10,551	9,036
Operating Segments [Member] \| Services And Products [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	94,128	93,753	85,196
Operating Segments [Member] \| Services And Products [Member] \| Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,803	25,134	19,747
Operating Segments [Member] \| Services And Products [Member] \| Direct Offices [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	93,700	93,324	84,111
Operating Segments [Member] \| Services And Products [Member] \| International Licensees [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	428	429	1,085
Operating Segments [Member] \| Subscriptions [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	99,319	89,336	72,789
Operating Segments [Member] \| Subscriptions [Member] \| Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	39,662	34,037	26,742
Operating Segments [Member] \| Subscriptions [Member] \| Direct Offices [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	97,992	88,055	72,789
Operating Segments [Member] \| Subscriptions [Member] \| International Licensees [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,327	1,281
Operating Segments [Member] \| Royalties [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	12,219	11,307	10,659
Operating Segments [Member] \| Royalties [Member] \| Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,271	2,681	2,413
Operating Segments [Member] \| Royalties [Member] \| Direct Offices [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,329	2,466	2,708
Operating Segments [Member] \| Royalties [Member] \| International Licensees [Member] \| Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	9,890	8,841	7,951
Corporate And Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,119	6,593	6,622
Corporate And Eliminations [Member] \| Royalties [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,250	1,194	1,396
Corporate And Eliminations [Member] \| Leases And Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 3,869	$ 5,399	$ 5,226