INCOME TAXES - Tax Rate Reconciliation (Details)	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Reconciliation of Income Tax Rate
Federal tax provision at statutory rates	35.00%	35.00%	35.00%
State taxes, net of federal benefit	0.40%	0.30%	0.30%
Differences in foreign tax rates	(4.20%)	(5.20%)	(3.70%)
Permanent items and other adjustments	2.30%	0.80%	0.20%
Increase (decrease) in Foreign valuation allowance	1.30%	(0.10%)	(0.20%)
Provision for income taxes	34.80%	30.80%	31.60%
Tax effect of foreign currency [Member]
Other Tax Carryforward [Line Items]
Effective income tax rate change	0.40%