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Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Income Tax Disclosure [Abstract]    
Effective income tax rates (24.50%) 21.20%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate 21.00%  
Increase (Decrease) in Effective Tax Rate (45.70%)  
Changes to Liability for Uncertain Tax Positions $ 0.0