Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Income Taxes [Line Items]
Effective tax rate	26.20%	28.90%
Gross unrecognized tax benefits excluding interest and penalties	$ 3,712		$ 4,332
Net unrecognized tax benefit excluding interest and penalties that would impact effective tax rate	3,707
Accrued interest on unrecognized tax benefits	125		$ 157
Net unrecognized tax benefits, related to foreign tax positions	$ 1,469
Income tax examination, description	The Company and its subsidiaries are subject to examination by U.S. federal, state and foreign tax authorities. The United States Internal Revenue Service commenced an examination of the Company's U.S. federal tax filings for tax years 2011 through 2013 during the quarter ended March 31, 2015.
Earliest Tax Year [Member] \| Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
Open tax year	2011

Income Taxes [Line Items]

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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