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DERIVATIVES AND RISK MANAGEMENT (Narrative) (Details) - USD ($)
$ in Millions
Feb. 28, 2019
Feb. 28, 2018
Foreign exchange    
Derivative [Line Items]    
Derivative notional amount $ 125.9 $ 300.9
Commodity    
Derivative [Line Items]    
Derivative notional amount $ 56.2 $ 55.3