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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
3 Months Ended 6 Months Ended
Feb. 29, 2016
Feb. 28, 2015
Feb. 29, 2016
Feb. 28, 2015
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss), net of income taxes, for cash flow hedges recognized in AOCI $ 494 $ (1,900) $ 485 $ (2,425)
Commodity        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss), net of income taxes, for cash flow hedges recognized in AOCI 253 (348) (224) (416)
Foreign exchange        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss), net of income taxes, for cash flow hedges recognized in AOCI $ 241 $ (1,552) $ 709 $ (2,009)