INCOME TAXES - Components of Deferred Tax Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013
Deferred tax assets:
U.S. net operating loss carryforward	$ 5,977	$ 7,379
Foreign tax credits	862	2,096
Deferred compensation	1,621	2,087
Deferred Tax Assets, Tax Credit Carryforwards, Domestic Other and Alternative Minimum Tax	2,647	1,708
Foreign deferred taxes net operating losses	7,169	7,137
Total deferred tax assets	30,772	34,147
Deferred tax liabilities, domestic depreciation and other timing differences	(2,354)	(3,216)
Foreign deferred tax liabilities net	(2,066)	(1,638)
U.S. valuation allowance	(613)	(700)
Foreign valuation allowance	(7,737)	(9,432)
Net deferred tax assets	18,002	19,161
Accrued Liabilities [Member]
Deferred tax assets:
Foreign deferred taxes other timing differences	2,935	5,179
depreciaton and amortization [Member]
Deferred tax assets:
Foreign deferred taxes other timing differences	5,873	5,027
deferred income [Member]
Deferred tax assets:
Foreign deferred taxes other timing differences	$ 3,688	$ 3,534