Earnings before Income Taxes, Including both Continuing and Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019
Income Tax Disclosure [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ 1,292	$ (9,058)	$ (715)
Income (Loss) from Continuing Operations before Income Taxes, Foreign	42,683	16,907	19,439
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ 43,975	$ 7,849	$ 18,724