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Comparison of Total Assets (Detail) - USD ($) $ in Thousands | Sep. 30, 2016 | Mar. 31, 2016
--- | --- | ---
Segment and Geographic Distribution of Operations [Line Items] |  |  |
Assets |  | $ 4,688,262 | $ 4,983,793
Assets excluding equity investments |  | 3,781,179 | 4,063,801
Investments in, at equity, and advances to unconsolidated companies |  | 38,200 | 37,502
Assets except corporate portion |  | 3,819,379 | 4,101,303
All Other Segments |  |  |
Segment and Geographic Distribution of Operations [Line Items] |  |  |
Assets |  | 24,673 | 42,191
Operating Segments |  |  |
Segment and Geographic Distribution of Operations [Line Items] |  |  |
Assets |  | 3,756,506 | 4,021,610
Operating Segments | Americas |  |  |
Segment and Geographic Distribution of Operations [Line Items] |  |  |
Assets |  | 1,060,391 | 1,101,699
Operating Segments | Asia/Pacific |  |  |
Segment and Geographic Distribution of Operations [Line Items] |  |  |
Assets |  | 461,858 | 514,948
Operating Segments | Middle East |  |  |
Segment and Geographic Distribution of Operations [Line Items] |  |  |
Assets |  | 436,583 | 405,420
Operating Segments | Africa/Europe |  |  |
Segment and Geographic Distribution of Operations [Line Items] |  |  |
Assets |  | 1,797,674 | 1,999,543
Corporate |  |  |
Segment and Geographic Distribution of Operations [Line Items] |  |  |
Assets | [1],[2] | $ 868,883 | $ 882,490
[1] | At September 30, 2016 and March 31, 2016, $641.8 million and $651.2 million, respectively, of cash are included in Corporate.
[2] | Included in Corporate are vessels currently under construction which have not yet been assigned to a non-corporate reporting segment. A vessel’s construction costs are reported in Corporate until the earlier of the date the vessel is assigned to a non-corporate reporting segment or the date it is delivered. At September 30, 2016 and March 31, 2016, $115.7 million and $136.8 million, respectively, of vessel construction costs are included in Corporate.

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