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Income Taxes (Income Tax Expense From Continuing Operations And Effective Tax Rate) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Income Tax Disclosure [Abstract]        
Income tax expense from continuing operations $ 39,568 $ 40,621 $ 109,825 $ 95,320
Effective tax rate 20.00% 23.00% 19.00% 19.00%