Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020
Statement of Comprehensive Income [Abstract]
Net earnings	$ 65,469	$ 42,572	$ 38,629
Other comprehensive (loss) income:
Defined benefit pension plan adjustment, net of tax	566	385	(310)
Foreign currency translation adjustment, net of hedging activities and tax	(3,839)	2,345	(501)
Unrealized (loss) gain on marketable securities, net of tax	(267)	(91)	86
Total other comprehensive (loss) income, net of tax expense (benefit) of $1,399, $409, and ($929)	(3,540)	2,639	(725)
Total comprehensive income	$ 61,929	$ 45,211	$ 37,904