SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Income Tax Receivables) (Details) - USD ($) $ in Thousands	May 31, 2016	Aug. 31, 2015
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Income Taxes Receivable, Prepaid expenses and other current assets	$ 3,619	$ 2,941
Income Taxes Receivable, Other non-current assets	10,017	8,772
Total amount of income tax receivable reported	$ 13,636	$ 11,713