DERIVATIVES AND RISK MANAGEMENT (Effective Portion of Derivatives Designated as Cash Flow Hedging Instruments Recognized in Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Loss, net of income taxes, for cash flow hedges recognized in AOCI	$ (1,900)	$ (426)	$ (2,425)	$ (2,043)
Commodity
Derivative Instruments, Gain (Loss) [Line Items]
Loss, net of income taxes, for cash flow hedges recognized in AOCI	(348)	(24)	(416)	(113)
Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Loss, net of income taxes, for cash flow hedges recognized in AOCI	$ (1,552)	$ (402)	$ (2,009)	$ (1,930)