CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019
STATEMENTS OF EQUITY
Change in funded status of pension plans, tax	$ 65	$ 34	$ 156	$ 218
Net unrealized gain (loss) on restricted investments, tax	$ 4	$ (1)	$ 3	$ (5)
Cash dividend on common stock per share (in dollars per share)			$ 0.80	$ 0.80