CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 44,671	$ 44,920	$ 34,157
Other comprehensive income (loss):
Net unrealized (loss) gain on restricted investments, net of tax	(354)	249	115
Change in funded status of pension plans, net of tax	779	338	(658)
Foreign currency translation adjustment	(9,582)	1,295	3,163
Total other comprehensive income (loss)	(9,157)	1,882	2,620
Comprehensive income	$ 35,514	$ 46,802	$ 36,777