Leases, Schedule of Future Minimum Rental Payments (Details) $ in Millions	Dec. 31, 2018 USD ($)
Finance Leases
2020	$ 1.7
2019	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
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 leases	8.3
Accumulated amortization of assets recorded under finance lease	1.3
Accrued Liabilities [Member]
Operating Leases
Finance lease obligation included in Other accrued liabilities	1.4
Other Noncurrent Liabilities [Member]
Operating Leases
Finance lese obligation included in Long-term liabilities	$ 5.6