SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Income Tax (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Income Taxes [Line Items]
Income tax issue/dispute	$ 2.6
Document Period End Date			May 31, 2014
Federal tax provision at statutory rates	35.00%	35.00%	35.00%	35.00%
State Taxes, net of Federal benefit	0.30%	0.30%	0.30%	0.30%
Differences in foreign tax rates	(7.10%)	(4.30%)	(5.50%)	(4.40%)
Permanent items and other adjustments	4.50%	1.70%	1.20%	(0.60%)
Increase (decrease) in Foreign valuation allowance	(1.80%)	0.20%	(0.60%)	0.50%
Provision for income taxes	30.90%	32.90%	30.40%	30.80%
Greater proportion of income falling into low tax jurisdictions [Member]
Income Taxes [Line Items]
Effective income tax rate change	2.80%		1.10%
Change in valuation allowance against net deferred tax assets in Colombia [Member]
Income Taxes [Line Items]
Effective income tax rate change	1.80%		1.10%
Tax effect of foreign currency [Member]
Income Taxes [Line Items]
Effective income tax rate change	1.70%		0.90%