Income Taxes (Reconciliation of Federal Statutory Income Tax Rate to Effective Income Tax Rate) (Details) |
12 Months Ended | ||
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Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Effective Income Tax Rate Reconciliation, Percent [Abstract] | |||
| U.S. federal statutory tax rate | 21.00% | 21.00% | 35.00% |
| Foreign income taxed at different rates | (5.60%) | (4.90%) | (14.20%) |
| Effect of the Tax Act | |||
| Transition tax | (0.006) | (0.001) | 0.376 |
| Deferred tax effects | 0.00% | (1.20%) | (1.40%) |
| Federal research credit | (2.50%) | (2.40%) | (1.80%) |
| Stock-based compensation expense | (0.70%) | (2.20%) | (4.50%) |
| European Commission fines | 1.00% | 3.10% | 3.50% |
| Deferred tax asset valuation allowance | 0.00% | (2.00%) | 0.90% |
| State and local income taxes | 1.10% | (0.40%) | 0.10% |
| Other adjustments | (0.40%) | 1.10% | (1.80%) |
| Effective tax rate | 13.30% | 12.00% | 53.40% |
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- Definition Effective Income Tax Rate Reconciliation, Regulatory Fine No definition available.
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- Definition Impact of Tax Cuts and Jobs Act [Abstract] No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage 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 changes in the valuation allowance for deferred tax assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage 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 changes in the income tax rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage 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 other adjustments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage 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 research tax credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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