INCOME TAXES (Significant Components of Income Tax Provision) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017
Current:
U.S. tax expense (benefit)	$ 10,878	$ 10,827	$ 12,185
Foreign tax expense (benefit)	29,675	30,389	32,680
Total	40,553	41,216	44,865
Deferred:
U.S. tax expense (benefit)	(5,978)	8,223	(2,420)
U.S. valuation allowance change	6,171	2	(164)
Foreign tax expense (benefit)	966	3,516	(1,750)
Foreign valuation allowance change	(4,152)	(4,780)	1,487
Total	(2,993)	6,961	(2,847)
Provision for income taxes	$ 37,560	$ 48,177	$ 42,018