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Income Taxes (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | 12 Months Ended |
|---|---|---|---|
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Sep. 30, 2012
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Sep. 30, 2012
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Dec. 31, 2011
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| Income Tax Disclosure [Abstract] | |||
| Foreign effective tax rate, foreign operations | 25.00% | ||
| Gross deferred tax asset | $ 92,251 | ||
| Valuation allowance, reversed amount | 530 | 530 | |
| Net deferred tax asset | 73,747 | ||
| Net operating loss carryforwards for U.S. federal income tax purposes | 217,822 | ||
| Tax windfall | 725 | ||
| Research and experimentation credit carryforwards | 1,693 | ||
| Alternative minimum tax credit carryforwards | 261 | ||
| AMT percentage | 20.00% | ||
| Maximum percentage of income offset by available NOLs | 90.00% | ||
| Net operating loss carryforwards, net of limitations | 217,097 | ||
| Amount of net operating loss carryforwards that do not expire until 2020 or later | $ 215,538 |
| X | ||||||||||
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- Definition
Alternative minimum tax percentage No definition available.
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- Definition
Effective tax rate for foreign operations that are considered permanently reinvested. No definition available.
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- Definition
Maximum Of Income Offset By Available Net Operating Loss, Percentage No definition available.
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| X | ||||||||||
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- Definition
Net operating loss carryforwards, net of IRS code limitations. No definition available.
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| X | ||||||||||
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- Definition
Operating Loss Carryforwards Windfall Tax Limitation No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates. No definition available.
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The amount of the change in the period in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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