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Investment in Unconsolidated Companies (Tables)
12 Months Ended
Mar. 31, 2014
Schedule of Investments in at Equity and Advances to Unconsolidated Companies

Investments in, at equity, and advances to unconsolidated joint venture companies at March 31, were as follows:

 

(In thousands)

    

 

Percentage

Ownership

  

  

    2014         2013        

Sonatide Marine, Ltd. (Angola)

                     49       $         62,126            46,047      

DTDW Holdings, Ltd. (Nigeria)

     40     1,802                

Investments in, at equity, and advances to unconsolidated companies

         $ 63,928         46,047