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Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income Tax Disclosure [Abstract]        
Consolidated effective tax rate, percent 25.70% 25.00% 22.70% 24.50%
Effective income tax rate reconciliation, other adjustments, amount     $ 9.6  
Stock-based compensation, vested awards, net tax benefits       $ 2.3