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Schedule of Other Current Assets (Detail) - USD ($) $ in Thousands | Jun. 30, 2016 | Mar. 31, 2016
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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] | $ 16,044 | $ 30,285
Deposits - general |  | 8,770 | 8,076
Prepaid expenses |  | 11,890 | 6,394
Total other current assets |  | $ 36,704 | $ 44,755
[1] | Refer to Note (8) for additional discussion regarding the vessels under construction with option agreements.

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