Segment Information (Schedule Of Segment Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Segment Reporting Information [Line Items]
Sales to External Customers	$ 66,176	$ 58,736	$ 184,035	$ 155,223
Gross Profit	51,132	45,907	142,845	119,634
Adjusted EBITDA	10,876	8,563	28,850	17,402
Operating Segments [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA	13,168	10,847	34,880	23,327
Operating Segments [Member] | Enterprise Division [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	50,026	45,099	142,233	122,606
Gross Profit	40,484	36,747	115,638	99,655
Adjusted EBITDA	11,281	9,715	33,082	25,337
Operating Segments [Member] | Education practice [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	14,439	11,899	37,202	27,874
Gross Profit	9,790	8,179	24,749	17,510
Adjusted EBITDA	1,887	1,132	1,798	(2,010)
Operating Segments [Member] | Direct Offices [Member] | Enterprise Division [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	47,416	42,704	134,037	115,185
Gross Profit	38,144	34,678	108,294	93,201
Adjusted EBITDA	9,978	8,894	28,664	21,729
Operating Segments [Member] | International Licensees [Member] | Enterprise Division [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	2,610	2,395	8,196	7,421
Gross Profit	2,340	2,069	7,344	6,454
Adjusted EBITDA	1,303	821	4,418	3,608
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Sales to External Customers	1,711	1,738	4,600	4,743
Gross Profit	858	981	2,458	2,469
Adjusted EBITDA	$ (2,292)	$ (2,284)	$ (6,030)	$ (5,925)