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Schedule of Other Current Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Mar. 31, 2015
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Other Current Assets, Other Assets Accrued Expenses Other Current Liabilities and other Non current liabilities and Deferred Credits [Abstract] |  |  |
Deposits on vessel construction options | [1] | $ 44,748 |
Deposits - general |  | 7,017 | $ 7,381
Prepaid expenses |  | 9,054 | 10,400
Total other current assets |  | $ 60,819 | $ 17,781
[1] | Refer to Note (7) for additional discussion regarding the vessels under construction with option agreements.

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