Segment Information (Schedule Of Revenue Disaggregated By Type Of Service) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2022	Nov. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 69,369	$ 61,259
Corporate [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,574	1,446
Services And Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	30,860	27,481
Subscriptions [Member]
Disaggregation of Revenue [Line Items]
Revenue	33,025	28,356
Royalties [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,225	4,320
Royalties [Member] | Corporate [Member]
Disaggregation of Revenue [Line Items]
Revenue	315	344
Leases And Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,259	1,102
Leases And Other [Member] | Corporate [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,259	1,102
Operating Segments [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	53,445	48,116
Operating Segments [Member] | Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	14,350	11,697
Operating Segments [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	50,167	45,119
Operating Segments [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,278	2,997
Operating Segments [Member] | Services And Products [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,360	24,255
Operating Segments [Member] | Services And Products [Member] | Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,500	3,226
Operating Segments [Member] | Services And Products [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,217	23,851
Operating Segments [Member] | Services And Products [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	143	404
Operating Segments [Member] | Subscriptions [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	23,842	20,512
Operating Segments [Member] | Subscriptions [Member] | Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	9,183	7,844
Operating Segments [Member] | Subscriptions [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	23,490	20,512
Operating Segments [Member] | Subscriptions [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	352
Operating Segments [Member] | Royalties [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,243	3,349
Operating Segments [Member] | Royalties [Member] | Education Practice [Member]
Disaggregation of Revenue [Line Items]
Revenue	667	627
Operating Segments [Member] | Royalties [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	460	756
Operating Segments [Member] | Royalties [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 2,783	$ 2,593