INCOME TAXES (Significant Components of Deferred Tax Assets) (Details) - USD ($) $ in Thousands	Aug. 31, 2022	Aug. 31, 2021
Deferred tax assets:
U.S. net operating loss carryforward		$ 2,866
Foreign tax credits	$ 32,322	22,420
Deferred compensation	1,782	2,334
U.S. timing differences	7,746	3,759
Foreign net operating losses	5,026	5,051
Gross deferred tax assets	77,581	60,986
U.S. deferred tax liabilities (depreciation and other timing differences)	(2,273)	(4,083)
Foreign deferred tax liabilities netted against deferred tax assets	(8,697)	(5,753)
U.S. valuation allowance	(33,824)	(22,523)
Foreign valuation allowance	(4,432)	(4,402)
Net deferred tax assets	28,355	24,225
Accrued Expenses And Other Timing Differences, Foreign Timing Differences [Member]
Deferred tax assets:
Foreign timing differences	9,937	7,636
Depreciation And Amortization, Foreign Timing Differences [Member]
Deferred tax assets:
Foreign timing differences	13,019	10,498
Deferred Income, Foreign Timing Differences [Member]
Deferred tax assets:
Foreign timing differences	$ 7,749	$ 6,422