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INVESTMENT IN UNCONSOLIDATED COMPANIES (Tables) | 12 Months Ended
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Mar. 31, 2016
Equity Method Investments And Joint Ventures [Abstract] |
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 |  |  | 2016 |  |  | 2015 |
Sonatide Marine, Ltd. (Angola) |  |  | 49% |  |  | $ | 37,141 |  |  |  | 63,893 |
DTDW Holdings, Ltd. (Nigeria) |  |  | 40% |  |  |  | 361 |  |  |  | 1,951 |
Investments in, at equity, and advances to unconsolidated companies |  |  |  |  |  | $ | 37,502 |  |  |  | 65,844 |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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