Lease Arrangements - Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Operating Leases
2022	$ 15.7
2023	13.8
2024	11.4
2025	9.0
2026	6.8
Thereafter	18.0
Total lease payments	74.7
Less: amount of lease payments representing interest	(11.2)
Total present value of future lease payments	63.5
Finance Leases
2022	6.4
2023	5.7
2024	3.8
2025	2.0
2026	0.9
Thereafter	0.6
Total lease payments	19.4
Less: amount of lease payments representing interest	(1.9)
Total present value of future lease payments	$ 17.5	$ 18.7