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Commitments and Contingencies (Future Minimum Rental Commitments) (Details) $ in Millions | Dec. 31, 2018 USD ($)
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2019- Capital Leases | $ 0.7
2020- Capital Leases | 0.1
2021- Capital Leases | 0.0
2022- Capital Leases | 0.0
2023- Capital Leases | 0.0
After 2023- Capital Leases | 0.0
Total minimum payment required- Capital Leases | 0.8
2019- Operating Leases | 7.8
2020- Operating Leases | 7.4
2021- Operating Leases | 5.1
2022- Operating Leases | 3.6
2023- Operating Leases | 2.9
After 2023- Operating Leases | 9.7
Total minimum payment required- Operating Leases | 36.5
2019- Total Leases | 8.5
2020- Total Leases | 7.5
2021- Total Leases | 5.1
2022- Total Leases | 3.6
2023- Total Leases | 2.9
After 2023- Total Leases | 9.7
Total minimum payment required | $ 37.3

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