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Income Tax (Provision for Income Tax Expense) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Income Tax Disclosure [Abstract] |  |  |  |
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | $ 54,616 | $ 51,931 | $ 100,095 | $ 80,895
Tax Adjustments, Settlements, and Unusual Provisions | 0 | (4,314) | 0 | (3,539)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount | 627 | (330) | 1,292 | 1,103
Income Tax Reconciliation Foreign Income Tax Basis Differential | (5,997) | (1,132) | (21,076) | (6,892)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | 4,662 | 3,079 | 23,207 | 10,501
Effective Income Tax Rate Reconciliation, Tax Contingency, Domestic, Amount | 2,404 | (2,036) | 2,964 | (1,201)
Income Tax Reconciliation Change In Foreign Enacted Tax Rate | 94 | 145 | (1,737) | 417
Income Tax Reconciliation SubpartF | 301 | (348) | 466 | 310
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount | (415) | 113 | (107) | (459)
Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income | 0 | (119) | 0 | 4,291
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Amount | 3,694 | 3,135 | 5,155 | 4,250
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount | 3,376 | (503) | 3,596 | (139)
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount | 1,405 | (437) | 891 | (428)
Income Tax Expense (Benefit) | $ 57,379 | $ 42,914 | $ 104,436 | $ 80,609
Effective Income Tax Rate Reconciliation, Percent | 22.10% | 17.40% | 21.90% | 20.90%

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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, that is attributable to changes in the foreign income tax rates under enacted tax laws in the period. + References No definition available. + Details
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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 the total foreign income tax basis. The foreign income tax basis represents the difference in tax expense or benefit attributable to foreign taxable income recognized on a U.S. statutory basis compared to the tax expense or benefit at applicable domestic statutory income tax rates applied to foreign taxable income recognized for domestic statutory income purposes. + References No definition available. + Details
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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, that is attributable to complying with the provisions of U.S. tax code Subpart F. + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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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 increase (decrease) in the valuation allowance for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84176650&loc=d3e32123-109318 + Details
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