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Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Taxes [Line Items] |  |  |  |
Increase in deferred tax assets valuation allowance | $ 1,800,000 |  |  |
Foreign tax credits carryforwards | 27,240,000 | 19,359,000 |  |
Unrecognized tax benefit | 14,996,000 | 13,079,000 | 4,012,000 | 8,414,000
Net unrecognized tax benefits that, if recognized, would favorably impact the effective income tax rate | 13,200,000 | 12,200,000 |  |
Decrease in unrecognized tax benefits due to the expiration of statutes of limitations and the settlement of various audits | 600,000 |  |  |
Accrued interest and penalties related to income tax liabilities | 2,300,000 | 1,800,000 |  |
Aggregate amount of interest and penalties recorded in the statement of operations | 400,000 | (200,000) | (500,000) |
Undistributed earning of foreign subsidiaries | 173,300,000 |  |  |
Effects of retroactive changes in tax law |  | 1,400,000 |  |
Domestic Country |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred tax assets operating loss carry forwards subject to expiration | 353,800,000 |  |  |
Deferred tax assets operating loss carry forwards expiration year | 2017 |  |  |
Tax credits expiration year | 2020 |  |  |
General business tax credit carryforwards | 7,700,000 |  |  |
Foreign Entities |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred tax assets operating loss carry forwards | 76,800,000 |  |  |
Deferred tax assets operating loss carry forwards not subject to expiration, expiration period | 10 years |  |  |
Deferred tax assets operating loss carry forwards not subject to expiration | 63,800,000 |  |  |
Valuation allowance against the tax benefit associated with NOLs | 6,300,000 |  |  |
Foreign tax credits carryforwards | 24,200,000 |  |  |
Valuation allowance against tax credit | $ 8,100,000 |  |  |
Tax credits expiration year | 2014 |  |  |
Foreign Entities | Minimum |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax years open for audit | 2006 |  |  |
Foreign Entities | Maximum |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax years open for audit | 2013 |  |  |
India Tax Authority |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax examination description | The Company's Indian income tax returns covering fiscal years 2002 through 2006 and 2010 through 2011 are under audit by the Indian tax authority. |  |  |
Internal Revenue Service | Minimum |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax years open for audit | 2010 |  |  |
Internal Revenue Service | Maximum |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax years open for audit | 2011 |  |  |

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