Leases Leases, Schedule of Future Minimum Rental Payments (Details) $ in Millions	Dec. 31, 2018 USD ($)
Capital Lease Obligations [Abstract]
2019	$ 1.7
2020	1.4
2021	1.2
2022	1.1
2023	1.0
2024 and thereafter	1.8
Total minimum lease payments	8.2
Less: interest	(1.2)
Present value	7.0
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	6.1
2020	3.7
2021	2.8
2022	2.4
2023	2.2
2024 and thereafter	20.8
Total minimum lease payments	38.0
Assets recorded under finance lease	8.3
Accumulated amortization	1.3
Other Noncurrent Liabilities [Member]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Long-term finance lease obligations	5.6
Accrued Liabilities [Member]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Accrued finance lease obligations	$ 1.4