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Income Taxes - Additional Information (Detail) - USD ($)	9 Months Ended
	Dec. 31, 2016	Mar. 31, 2016
Income Taxes [Line Items]
Liability unrecognized tax benefits	$ 0	$ 0
Earliest Tax Year [Member] | Federal Tax Jurisdictions [Member]
Income Taxes [Line Items]
Open tax year	2014
Earliest Tax Year [Member] | State Tax Jurisdictions [Member]
Income Taxes [Line Items]
Open tax year	2012
Earliest Tax Year [Member] | International Tax Jurisdictions [Member]
Income Taxes [Line Items]
Open tax year	2013
Latest Tax Year [Member] | Federal Tax Jurisdictions [Member]
Income Taxes [Line Items]
Open tax year	2016
Latest Tax Year [Member] | State Tax Jurisdictions [Member]
Income Taxes [Line Items]
Open tax year	2016
Latest Tax Year [Member] | International Tax Jurisdictions [Member]
Income Taxes [Line Items]
Open tax year	2015

X

- Definition

Income taxes.

+ References

No definition available.

+ Details

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X

- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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