SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Income Taxes) (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2016	Nov. 30, 2014	May 31, 2016	Aug. 31, 2015
Provisional assessments, includes taxes, penalties and interest related to withholding taxes		$ 2,500,000
Additional provisional assessment		$ 5,200,000
Recorded provisional assessments	$ 0		$ 0
Income taxes receivable	$ 13,636,000		$ 13,636,000	$ 11,713,000
Effective income tax rate change	1.90%		1.00%
Effective income tax rate change, U.S.	0.70%		0.60%
Unknown Country [Member]
Income taxes receivable	$ 2,200,000		$ 2,200,000
Deferred tax assets, net	$ 1,700,000		$ 1,700,000