DERIVATIVES AND RISK MANAGEMENT (Effective Portion of Derivatives Designated as Cash Flow Hedging Instruments Reclassified from Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	$ (2,707)	$ (1,505)	$ 465
Income tax (expense) benefit	949	237	(128)
Gain (loss), net of income taxes	(1,758)	(1,268)	337
Commodity | Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	(665)	(160)	(260)
Foreign exchange | Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	(2,774)	(1,717)	18
Foreign exchange | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	124	(213)	73
Foreign exchange | SG&A expenses
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	76	53	17
Interest rate | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	$ 532	$ 532	$ 617