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, 2016	Aug. 31, 2015	Aug. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	$ 2,233	$ (2,707)	$ (1,505)
Income tax (expense) benefit	(496)	949	237
Gain (loss), net of income taxes	1,737	(1,758)	(1,268)
Commodity | Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	(493)	(665)	(160)
Foreign exchange | Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	2,283	(2,774)	(1,717)
Foreign exchange | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	(380)	124	(213)
Foreign exchange | SG&A expenses
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	291	76	53
Interest rate | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes	$ 532	$ 532	$ 532