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Income Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Income Taxes [Abstract]      
Effective tax rate   30.60% 25.70%
Income tax benefit, primarily from the net favorable settlements of uncertain tax positions $ 10,800,000    
Unrecognized tax benefits   $ 183,700,000  
Unrecognized tax benefits that would impact effective tax rate   $ 174,500,000