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Commitments and Contingencies (Future Minimum Rental Commitments) (Details) $ in Millions | Dec. 31, 2016 USD ($)
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2017- Capital Leases | $ 4.0
2018- Capital Leases | 2.2
2019- Capital Leases | 0.1
2020- Capital Leases | 0.0
2021- Capital Leases | 0.0
After 2021- Capital Leases | 0.0
Total minimum payment required- Capital Leases | 6.3
2017- Operating Leases | 9.1
2018- Operating Leases | 7.7
2019- Operating Leases | 5.6
2020- Operating Leases | 4.4
2021- Operating Leases | 2.9
After 2021- Operating Leases | 4.7
Total minimum payment required- Operating Leases | 34.4
2017- Total Leases | 13.1
2018- Total Leases | 9.9
2019- Total Leases | 5.7
2020- Total Leases | 4.4
2021- Total Leases | 2.9
After 2021- Total Leases | 4.7
Total minimum payment required | $ 40.7

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