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Income Taxes - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Components Of Income Tax Expense Benefit [Line Items] |  |  |
Change in estimate, increase in net income | $ 2,400 |  |
Change in estimate, increase in earnings per share | $ 0.13 |  |
Net decrease in valuation allowance | $ 1,600 |  |
Change of intention for foreign earnings | 1,300 |  |
Unremitted foreign earnings | $ 198,900 | $ 184,600 |
Minimum percentage of income tax benefit | 50.00% |  |
Gross unrecognized tax benefit | $ 18,400 | 15,800 |
Interest and penalties on unrecognized tax benefits | 2,100 | 200 |
Accrued interest and penalties related to unrecognized tax benefits | 3,000 | $ 800 |
Maximum [Member] |  |  |
Components Of Income Tax Expense Benefit [Line Items] |  |  |
Interest and penalties on unrecognized tax benefits |  |  | $ 100
U.S. federal [Member] |  |  |
Components Of Income Tax Expense Benefit [Line Items] |  |  |
Operating loss carry forwards, net of tax | 4,100 |  |
State [Member] |  |  |
Components Of Income Tax Expense Benefit [Line Items] |  |  |
Operating loss carry forwards, net of tax | 15,100 |  |
Foreign Jurisdictions [Member] |  |  |
Components Of Income Tax Expense Benefit [Line Items] |  |  |
Operating loss carry forwards, net of tax | $ 155,500 |  |

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings. + 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=65882285&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319 + Details
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