Segment Information (Reconciliation Of Adjusted EBITDA) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2022	Nov. 30, 2021
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	$ 11,472	$ 9,932
Stock-based compensation	(2,735)	(1,649)
Increase in the fair value of contingent consideration liabilities	(7)	(28)
Depreciation	(1,246)	(1,279)
Amortization	(1,092)	(1,431)
Income from operations	6,392	5,545
Interest income	81	15
Interest expense	(410)	(446)
Income before income taxes	6,063	5,114
Income tax provision	(1,396)	(1,302)
Net income	4,667	3,812
Operating Segments [Member]
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	13,362	11,860
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	(1,890)	(1,928)
Corporate [Member]
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	$ (1,890)	$ (1,928)