PROPERTY AND EQUIPMENT, NET Disposals (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2012
Significant Acquisitions and Disposals [Line Items]
Significant Acquisitions and Disposals, Property, Plant and Equipment, Gross	$ 14,733	$ 5,282	$ 4,700
Significant Acquisitions and Disposals, Accumulated Depreciation, Impairement, Depletion and Amortization, Property, Plant and Equipment	13,146	4,129	4,250
Other Costs	0	0	0
Proceeds from disposal	142	264	138
Gain (Loss) recognized	(1,445)	(889)	(312)
Accounts Payable, Current	225,761	199,425
Accrued Liabilities, Current	21,030	20,136
Acquisition of Land, Honduras [Member]
Significant Acquisitions and Disposals [Line Items]
Accrued Liabilities, Current		3,200
Construction in Progress [Member]
Significant Acquisitions and Disposals [Line Items]
Accounts Payable, Current	1,900
Accrued Liabilities, Current	$ 1,200