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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
Nov. 30, 2016
Nov. 30, 2015
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss), net of income taxes, for cash flow hedges recognized in AOCI $ 132 $ (9)
Commodity    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss), net of income taxes, for cash flow hedges recognized in AOCI 99 (477)
Foreign exchange    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss), net of income taxes, for cash flow hedges recognized in AOCI $ 33 $ 468