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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Income Tax Disclosure [Abstract]          
Effective tax rate 28.00% 24.20% 27.50% 24.80%  
Undistributed earnings of certain foreign subsidiaries $ 79.5   $ 79.5   $ 64.9