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Income Taxes (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended |  | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended |
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2012 Reduction in the Provision for Income Taxes [Member] | Dec. 31, 2011 Reduction in the Provision for Income Taxes [Member] | Dec. 31, 2012 Reduction in the Provision for Income Taxes [Member] | Dec. 31, 2011 Reduction in the Provision for Income Taxes [Member] | Dec. 31, 2010 Reduction in the Provision for Income Taxes [Member] | Dec. 31, 2012 Reduction in Interest Expense [Member] | Dec. 31, 2012 Reduction in Interest Expense [Member] | Dec. 31, 2010 Reduction in Interest Expense [Member] | Dec. 31, 2012 International [Member]
Income Tax Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate | 35.00% |  |  |  |  |  |  |  |  |  |  |  |
Non-cash impact of tax matters | $ 0 | $ 0 | $ (11,716) |  |  | $ 28,928 |  | $ 28,928 | $ 9,404 |  |  | $ 3,840 |
Tax Adjustments Settlements And Unusual Provisions, Net of Tax |  |  |  |  |  |  |  |  |  |  |  | 2,312 |
Tax Adjustments, Settlements, and Unusual Provisions, Per Share Basic and Diluted |  |  |  |  |  |  |  | $ 0.25 | $ 0.08 |  |  | $ 0.02 |
Unrecognized Tax Benefits | 46,980 | 63,498 | 66,110 | 68,833 |  |  |  |  |  |  |  |  |
Unrecognized Tax Benefits Expected to be Paid | 1,000 |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized Tax Benefits, Interest on Income Taxes Expense | 18 | 2,068 | (1,599) |  |  |  |  |  |  |  |  |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 10,599 | 13,411 |  |  |  |  |  |  |  |  |  |  |
Tax Credit Carryforward, Amount |  |  |  |  |  |  |  |  |  |  |  |  | 226,283
Tax Credit Carryforward, Subject to Expiration |  |  |  |  |  |  |  |  |  |  |  |  | 54,108
Tax Credit Carryforward, No Expiration |  |  |  |  |  |  |  |  |  |  |  |  | 172,175
Tax Credit Carryforward, Deferred Tax Asset |  |  |  |  |  |  |  |  |  |  |  |  | 65,128
Other Tax Carryforward, Valuation Allowance |  |  |  |  |  |  |  |  |  |  |  |  | 18,370
Operating Loss Carryforwards | 79,596 |  |  |  |  |  |  |  |  |  |  |  |
Utilization of Net Operating Loss Carryforward | 72,155 |  |  |  |  |  |  |  |  |  |  |  |
Deferred Tax Liabilities, Undistributed Foreign Earnings | 2,716,769 |  |  |  |  |  |  |  |  |  |  |  |
Income Taxes Paid, Net | $ 179,408 | $ 236,872 | $ 125,903 |  |  |  |  |  |  |  |  |  |

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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 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 2: 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. Reference 3: 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 + Details
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- Definition This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph c -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 FASB Interpretation (FIN) -Number 48 -Paragraph 15, 16 -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 Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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