FINANCIAL INSTRUMENTS (Details 2) (Forward and Swap Contracts, USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Mar. 31, 2014
Other current assets | Derivatives designated as hedging instruments
   
Fair Values of Derivative Instruments    
Asset Derivatives $ 2,896 $ 3,464
Other current assets | Economic hedges
   
Fair Values of Derivative Instruments    
Asset Derivatives 22,933 4,722
Other current liabilities | Derivatives designated as hedging instruments
   
Fair Values of Derivative Instruments    
Liability Derivatives 19,729 10,457
Other current liabilities | Economic hedges
   
Fair Values of Derivative Instruments    
Liability Derivatives $ 11,328 $ 6,949