Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Statement of Comprehensive Income [Abstract]
Net earnings	$ 7,901	$ 7,095
Other comprehensive (loss) income:
Defined benefit pension plan adjustment, net of tax	49	43
Foreign currency translation adjustment, net of hedging activities and tax	(3,350)	1,384
Unrealized loss on marketable securities, net of tax	(57)	(32)
Total other comprehensive (loss) income, net of tax expense of $2 and $32, respectively	(3,358)	1,395
Total comprehensive income	$ 4,543	$ 8,490