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Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |
U.S. federal statutory rate | 21.00% | 21.00% | 35.00%
State income tax, net of federal tax benefit | 2.30% | 2.60% | 1.90%
Taxation on international earnings | (1.10%) | (0.80%) | (5.50%)
Foreign derived intangible income | (1.10%) | (1.30%) | 0.00%
Share-based compensation from settlements | (3.60%) | (4.70%) | (7.30%)
Domestic manufacturing exclusions | 0.00% | 0.00% | (1.10%)
Research and development credit | (0.80%) | (0.90%) | (0.90%)
Impact of the 2017 Tax Act | 0 | 0.005 | 0.094
State income tax carryforwards | 0.00% | (0.20%) | (1.40%)
Other, net | 1.40% | 1.40% | 0.80%
Effective tax rate | 18.10% | 17.60% | 30.90%

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