DERIVATIVES AND RISK MANAGEMENT (Derivatives Not Designated as Hedging Instruments) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for derivatives not designated as hedges	$ (849)	$ 10,298	$ (1,437)	$ 17,739
Commodity | Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for derivatives not designated as hedges	(146)	(224)	(4,775)	1,948
Foreign exchange | Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for derivatives not designated as hedges	(25)	31	(33)	81
Foreign exchange | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for derivatives not designated as hedges	0	(4)	0	(4)
Foreign exchange | SG&A expenses
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for derivatives not designated as hedges	$ (678)	$ 10,495	$ 3,371	$ 15,714