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DERIVATIVES AND RISK MANAGEMENT (Derivatives Not Designated as Hedging Instruments) (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 30, 2016
Nov. 30, 2015
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) before income taxes for derivatives not designated as hedges $ (588) $ 7,441
Commodity | Cost of goods sold    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) before income taxes for derivatives not designated as hedges (4,629) 2,172
Foreign exchange | Cost of goods sold    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) before income taxes for derivatives not designated as hedges (8) 50
Foreign exchange | SG&A expenses    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) before income taxes for derivatives not designated as hedges $ 4,049 $ 5,219