XML 56 R44.htm IDEA: XBRL DOCUMENT v3.21.2
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Income Tax Disclosure [Abstract]        
Provision for income tax expense $ 34.1 $ 26.9 $ 108.1 $ 65.8