PROPERTY AND EQUIPMENT, NET Disposals (Details) - USD ($) $ in Thousands	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Significant Acquisitions and Disposals [Line Items]
Significant Acquisitions and Disposals, Property, Plant and Equipment, Gross	$ 11,740	$ 14,733	$ 5,282
Significant Acquisitions and Disposals, Accumulated Depreciation, Impairement, Depletion and Amortization, Property, Plant and Equipment	9,367	13,146	4,129
Proceeds from disposal	368	142	264
Gain (Loss) recognized	$ (2,005)	$ (1,445)	$ (889)