Leases - Maturity of Lease Liabilities (Details) $ in Millions	Dec. 31, 2019 USD ($)
Finance
2020	$ 0.6
2021	0.6
2022	0.5
2023	0.5
2024	0.5
Thereafter	1.4
Total Lease Payments	4.1
Less: Interest	0.9
Present Value of Lease Liabilities	3.2
Operating
2020	6.2
2021	5.2
2022	4.0
2023	2.8
2024	2.3
Thereafter	7.0
Total Lease Payments	27.5
Less: Interest	5.4
Present Value of Lease Liabilities	22.1
Total
2020	6.8
2021	5.8
2022	4.5
2023	3.3
2024	2.8
Thereafter	8.4
Total Lease Payments	31.6
Less: Interest	6.3
Present Value of Lease Liabilities	$ 25.3