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Income Taxes (Narrative) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 Countries | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Income Tax Disclosure [Line Items] |  |  |  |
Tax effect of adjustment due to a prior year error |  | $ (3,553,000) |  |
Number of countries in which opertions constitute a taxable presence | 16 |  |  |
Net decrease in valuation allowance | (3,100,000) |  |  |
Net operating loss carryforwards | 633,800,000 |  |  |
Net operating loss carryforwards, deferred tax asset | 80,000,000 |  |  |
Unrepatriated foreign earnings | 1,500,000 |  |  |
Non-U.S. earnings that have been targeted for future repatriation | 19,400,000 |  |  |
Foreign earnings expected to be distributed | 12,100,000 |  |  |
Income tax expense recorded due to expected repatriation of foreign earnings | 500,000 |  |  |
Accumulated undistributed earnings intended to remain permanently invested | 375,000,000 |  |  |
Amounts of tax benefits that would affect effective tax rate if recognized | 24,400,000 |  |  |
Recognized interest and penalties related to uncertain tax positions | (6,400,000) | 1,100,000 | 300,000 |
Interest and penalties related to settlement of audits | (4,400,000) |  |  |
Accrued interest and penalties related to uncertain tax positions | 1,400,000 | 7,600,000 |  |
Estimated range of change, upper bound | 0 |  |  |
Estimated range of change, lower bound | (13,900,000) |  |  |
Unrecognized tax benefits | 24,386,000 | 27,053,000 | 23,467,000 | 22,513,000
Taxes paid, net of refunds | 15,100,000 | 13,700,000 | 9,200,000 |
Minimum [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Open tax years | 2000 |  |  |
Maximum [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Open tax years | 2012 |  |  |
Research Member |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforward | 7,000,000 |  |  |
Research Member | Minimum [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforwards, expiration date | Jan. 01, 2023 |  |  |
Alternative Minimum Tax [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforward | 1,300,000 |  |  |
U.S. [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Net deferred tax asset | 71,809,000 | 81,862,000 |  |
State and Local Jurisdiction [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Net operating loss carryforwards | 31,400,000 |  |  |
Non-U.S. [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforward | 19,200,000 |  |  |
Net deferred tax asset | 7,376,000 | 6,398,000 |  |
Non-U.S. [Member] | Minimum [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforwards, expiration date | Jan. 01, 2015 |  |  |
German Tax Authority [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Unrecognized tax benefits | 22,500,000 |  |  |
Payment to taxing authority to pursue litigation |  |  | 13,200,000 |
German Tax Authority [Member] | Minimum [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Years examined | 2000 |  |  |
German Tax Authority [Member] | Maximum [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Years examined | 2003 |  |  |
Tax Attributes With Limited Lives [Member] | U.S. [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Net deferred tax asset | $ 28,500,000 |  |  |

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 48 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The estimated lower bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition The estimated upper bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 17 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Carryforwards -URI http://asc.fasb.org/extlink&oid=6506874 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 48 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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