Income Taxes - Components of Earnings Before Income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Domestic	$ 346.2	$ 328.2	$ 126.7
Foreign	370.0	298.0	243.6
Earnings before income tax provision	$ 716.2	$ 626.2	$ 370.3