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Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 31, 2014
Income Tax [Line Items]
Federal statutory tax rate	35.00%
Foreign tax credit carry-forwards expiry period	2022
Income tax penalties and interest	$ 9.2
Maximum
Income Tax [Line Items]
Income tax payable decrease as a result of reasonably possible tax payment, maximum	$ 4

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- Definition

Foreign Tax Credit Carry-Forwards Expire Period

+ References

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319



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The amount the liability recorded for the income tax examination increased or decreased in the current year/accounting period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)

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