Lease Arrangements - Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Operating Leases
2024	$ 13.1
2025	10.2
2026	7.7
2027	6.3
2028	5.3
Thereafter	10.0
Total lease payments	52.6
Less: amount of lease payments representing interest	(7.6)
Total present value of future lease payments	45.0
Finance Leases
2024	4.3
2025	3.0
2026	2.6
2027	2.4
2028	2.3
Thereafter	4.8
Total lease payments	19.4
Less: amount of lease payments representing interest	(3.1)
Total present value of future lease payments	$ 16.3	$ 18.5