XML 66 R51.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Taxes (Additional Information) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Income tax expense $ 252.8 $ 235.1 $ 294.5
Income tax expense, percent of earnings before income taxes 24.20% 23.80% 33.70%
Income tax benefit attributable to discrete income tax items   $ 7.1  
Undistributed earnings from foreign subsidiaries $ 288.1