Segment Information (Schedule Of Segment Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Segment Reporting Information [Line Items]
Revenue From External Customers	$ 73,373	$ 71,441	$ 203,109	$ 202,565
Gross Profit	56,206	54,233	155,336	154,185
Adjusted EBITDA	13,924	11,899	32,340	31,558
Operating Segments [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA	16,584	14,386	40,142	38,308
Operating Segments [Member] | Enterprise Division [Member]
Segment Reporting Information [Line Items]
Revenue From External Customers	52,035	53,217	150,335	153,242
Gross Profit	42,607	42,974	123,047	124,383
Adjusted EBITDA	13,504	12,737	37,549	36,999
Operating Segments [Member] | Education Practice [Member]
Segment Reporting Information [Line Items]
Revenue From External Customers	20,079	17,082	49,402	45,631
Gross Profit	13,179	10,929	31,157	28,497
Adjusted EBITDA	3,080	1,649	2,593	1,309
Operating Segments [Member] | Direct Offices [Member] | Enterprise Division [Member]
Segment Reporting Information [Line Items]
Revenue From External Customers	49,334	50,382	141,509	144,194
Gross Profit	40,172	40,425	115,186	116,199
Adjusted EBITDA	12,170	11,322	32,978	32,212
Operating Segments [Member] | International Licensees [Member] | Enterprise Division [Member]
Segment Reporting Information [Line Items]
Revenue From External Customers	2,701	2,835	8,826	9,048
Gross Profit	2,435	2,549	7,861	8,184
Adjusted EBITDA	1,334	1,415	4,571	4,787
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue From External Customers	1,259	1,142	3,372	3,692
Gross Profit	420	330	1,132	1,305
Adjusted EBITDA	$ (2,660)	$ (2,487)	$ (7,802)	$ (6,750)