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DERIVATIVES AND RISK MANAGEMENT (Narrative) (Details) - USD ($)
$ in Millions
Feb. 29, 2016
Feb. 28, 2015
Foreign exchange    
Derivative [Line Items]    
Derivative, Notional Amount $ 296.5 $ 402.3
Commodity    
Derivative [Line Items]    
Derivative, Notional Amount $ 30.1 $ 50.0