CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020
CONDENSED CONSOLIDATED STATEMENTS OF EQUITY
Cash dividends paid per share (in dollars per share)	$ 1.00	$ 0.80	$ 0.80
Change in funded status of pension plans, tax	$ 255	$ 585	$ 215
Net unrealized gain (loss) on restricted investments, tax	$ 116	$ 75	$ 40