Income Taxes (Benefit (Provision) For Income Taxes From Continuing Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Income Taxes [Abstract]
Current, Federal	$ (15)	$ 93	$ 29
Current, State	(87)	(14)	210
Current, Foreign	(1,145)	(2,745)	(2,947)
Current	(1,247)	(2,666)	(2,708)
Deferred, Federal	2,306	3,112	1,426
Deferred, State	98	102	(314)
Deferred, Foreign	(77)	(120)	(281)
Operating loss carryforward	(50)	(1,625)	2,636
Adjustment for changes in U.S. income tax rates			1,654
Valuation allowance	(11,261)	(418)	(2,780)
Deferred	(8,984)	1,051	2,341
Benefit (provision) for income taxes	$ (10,231)	$ (1,615)	$ (367)