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Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Income Tax Disclosure [Abstract]        
Consolidated effective tax rate, percent 26.30% 26.70% 28.40% 18.60%
Effective income tax rate reconciliation, nondeductible expense, share-based payment arrangement, amount     $ 2.3  
Effective income tax rate reconciliation, change in deferred tax assets valuation allowance, amount       $ 9.6