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FOREIGN CURRENCY DERIVATIVES (Details 5) - Foreign currency swap contract [Member]
MXN in Thousands, $ in Thousands
6 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2016
MXN
Mar. 31, 2016
MXN
Derivative [Line Items]      
Notional amount of contracts $ 26,779 MXN 491,790 MXN 481,000
Derivative, Currency Bought Buy MXN    
Maturity 21 months