INCOME TAX (Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2012
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits, Beginning Balance	$ 28,551	$ 27,384	$ 10,762
Change in tax positions of current year	0	1,255	0
Change for tax positions of prior years	(1,202)	0	18,006
Reductions due to settlements with taxing authorities	0	(88)	(600)
Reductions due to statute of limitations lapse	0	0	(784)
Unrecognized Tax Benefits, Ending Balance	$ 27,349	$ 28,551	$ 27,384