Leases - Supplemental Cash Flows Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash Paid for Amounts Included in the Measurement of Lease Liabilities
Operating cash flows from operating leases	$ 52.0	$ 56.6
Operating cash flows from finance leases	1.1	1.1
Financing cash flows from finance leases	1.1	0.7
Leased Assets Obtained in Exchange for New Operating Lease Liabilities(1)	$ 15.8	$ 161.3