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DERIVATIVES AND RISK MANAGEMENT (Narrative) (Details) - USD ($)
$ in Millions
Aug. 31, 2015
Aug. 31, 2014
Foreign exchange    
Derivative [Line Items]    
Notional value of contract commitments $ 390.8 $ 406.6
Commodity    
Derivative [Line Items]    
Notional value of contract commitments $ 37.7 $ 59.6