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Schedule of Other Current Liabilities (Detail) - USD ($) $ in Thousands | Jun. 30, 2015 | Mar. 31, 2015
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Other Assets, Accrued Expenses, Other Current Liabilities, And Other Liabilities And Deferred Credits [Abstract] |  |
Taxes payable | $ 49,780 | $ 56,620
Deferred gain on vessel sales - current | 24,368 | 25,057
Other | 335 | 784
Other current liabilities | $ 74,483 | $ 82,461

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