Income Taxes - Summary of Income Tax Information (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]
Income tax provision	$ 10.0	$ 25.4	$ 20.8	$ 49.0
Effective income tax rate	30.90%	23.50%	26.10%	30.20%