Schedule of Earning Before Income Taxes Derived from United States and Non-U.S Operation (Detail) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Earnings before income taxes, Non-U.S	$ (498,931)	$ (85,346)	$ (38,282)
Earnings before income taxes, United States	(144,683)	(54,211)	(27,985)
Total pre-tax amounts	$ (643,614)	$ (139,557)	$ (66,267)

Sum of operating profit and nonoperating income (expense) before income taxes.

No definition available.

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

+ Details

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- References

No definition available.

+ Details

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