Leases - Maturity of Lease Liabilities (Details) $ in Millions	Sep. 30, 2019 USD ($)
Finance
Remainder of 2019	$ 0.1
2020	0.5
2021	0.5
2022	0.5
2023	0.5
2024	0.4
Thereafter	1.6
Total Lease Payments	4.1
Less: Interest	0.8
Present Value of Lease Liabilities	3.3
Operating
Remainder of 2019	1.6
2020	5.8
2021	5.1
2022	4.0
2023	2.8
2024	2.3
Thereafter	7.1
Total Lease Payments	28.7
Less: Interest	5.5
Present Value of Lease Liabilities	23.2
Total
Remainder of 2019	1.7
2020	6.3
2021	5.6
2022	4.5
2023	3.3
2024	2.7
Thereafter	8.7
Total Lease Payments	32.8
Less: Interest	6.3
Total lease obligation	$ 26.5