Leases - Components of Leases (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating leases right-of-use assets	$ 81.4	$ 82.0
Operating lease liabilities	$ 97.7	$ 95.8
Operating lease weighted-average remaining lease term	9 years 6 months 3 days	10 years 6 months
Operating lease weighted-average discount rate	3.53%	3.77%