Annual report pursuant to Section 13 and 15(d)

Income Taxes (Effective Income Tax Reconciliation) (Details)

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Income Taxes (Effective Income Tax Reconciliation) (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Federal statutory rate 21.00% 21.00% 35.00%
State and local income taxes, net of federal tax benefits (3.80%) 2.90% 3.60%
Effective Income Tax Rate Reconciliation Taxes On Foreign Income Net Of Tax Credits (0.50%) 0.30% 0.40%
Taxes on foreign income, net of tax credits 5.00% 1.90% 0.80%
Valuation allowances 1.90% 1.40% (0.10%)
Impact of U.S. tax reform 0.00% (1.80%) (34.90%)
Other 0.60% 1.70% 0.50%
Effective income tax rate, percent 24.20% 27.40% 5.30%