Leases - Future Payments of Lease Liabilities (Details) $ in Millions	Dec. 31, 2019 USD ($)
Operating Leases
2020	$ 23.0
2021	20.9
2022	13.3
2023	10.2
2024	8.1
Thereafter	14.4
Total future lease payments	89.9
Less: interest	(14.9)
Total lease liability balance	75.0
Finance Leases
2020	11.0
2021	10.6
2022	10.0
2023	4.3
2024	2.5
Thereafter	1.0
Total future lease payments	39.4
Less: Present values	(4.8)
Total lease liability balance	$ 34.6