Leases - Lease Cost and Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019
Leases - Lease Costs and Other Information [Abstract]
Total operating lease costs	$ 14.9	[1]	$ 13.3	[1]	$ 12.6
Operating cash flows from operating leases	$ 10.7		$ 9.2		$ 8.6

[1] Includes short-term leases and variable lease costs.