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Income Taxes Effective Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Federal statutory income tax rate 35.00% 35.00% 35.00%
State income taxes, net of federal benefit 2.40% 2.30% 2.00%
Foreign income taxes (3.40%) (3.90%) (2.10%)
Other, net (3.20%) (0.80%) (2.30%)
CONSOLIDATED EFFECTIVE INCOME TAX RATE 30.80% 32.60% 32.60%