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Summary of Differences Between Income Tax Expense Computed at Statutory Federal Income Tax Rate and Per Consolidated Statements of Income (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2011
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Mar. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Reconciliation of Provision of Income Taxes [Line Items] | |||||||||||
| Tax expense at federal rate of 35% | $ 22,844 | $ 22,510 | $ 17,045 | ||||||||
| State income taxes, net of federal benefit | 655 | 1,475 | 695 | ||||||||
| Change in valuation allowance | (2,680) | 251 | (1,587) | ||||||||
| Foreign tax rate differential | (8,940) | (1,572) | 1,304 | ||||||||
| Unrecognized tax benefit increase (decrease) | (1,665) | (1,882) | 328 | ||||||||
| Effect of intellectual property transfer | (2,100) | 2,200 | |||||||||
| Tax effect of foreign operations | 5,311 | 373 | 919 | ||||||||
| Acquisition Costs | 2,659 | ||||||||||
| Tax benefit of R&D costs | (1,749) | ||||||||||
| Other | (13) | (594) | 603 | ||||||||
| Income tax provision | $ 24,347 | $ (1,175) | $ (6,195) | $ (555) | $ 12,106 | $ 482 | $ 704 | $ 5,169 | $ 16,422 | $ 18,461 | $ 21,507 |
| X | ||||||||||
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- Definition
Income Tax Reconciliation Acquisition Costs No definition available.
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- Details
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- Definition
Tax effect of the United States taxation of the company's foreign subsidiaries' unremitted foreign earnings. No definition available.
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- Definition
The component of income tax expense for the period representing the amortization on the transfer of certain intellectual property rights outside of the United States. No definition available.
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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to total foreign income tax expense or benefit. The foreign income tax expense or benefit difference represents the income tax expense or benefit at applicable domestic statutory income tax rates applied to foreign earnings or loss for the period versus the foreign income tax expense or benefit calculated by applying the appropriate foreign tax rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to all other items not otherwise listed in the existing taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to state and local income tax expense or benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The sum of the differences between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in all income tax contingencies, whether recorded or adjusted, during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to research tax credits generated or utilized under enacted tax laws during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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