Leases - Schedule of Maturity of Lease Liabilities - After Adoption of 842 (Details) $ in Millions	Dec. 31, 2019 USD ($)
Operating leases
2020	$ 48.5
2021	41.8
2022	33.6
2023	26.3
2024	21.9
2025 and thereafter	84.1
Total lease payments	256.2
Less: interest	(43.3)
Present value of lease liabilities	212.9
Finance leases
2020	11.4
2021	10.7
2022	10.6
2023	10.3
2024	9.9
2025 and thereafter	26.0
Total lease payments	78.9
Less: interest	(13.2)
Present value of lease liabilities	65.7
2020	59.9
2021	52.5
2022	44.2
2023	36.6
2024	31.8
2025 and thereafter	110.1
Total lease payments	335.1
Less: interest	56.5
Present value of lease liabilities	$ 278.6