Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 61.5	$ 66.9	$ 70.4
Operating cash flows from finance leases	31.3	29.6	30.0
Financing cash flows from finance leases	51.8	22.5	19.5
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	51.1	39.0	43.8
Finance leases	$ 50.5	$ 29.6	$ 34.2