Leases Leases (Maturity of lease liabilities) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
2020 Operating leases	[1]	$ 65.0
2021 Operating leases	[1]	13.8
2022 Operating leases	[1]	9.7
2023 Operating leases	[1]	6.9
2024 Operating leases	[1]	3.9
Thereafter Operating leases	[1]	3.3
Total Operating Lease Payments	[1]	102.6
Less: Interest	[1]	9.0
Present value of operating lease liability	[1]	93.6
Current portion of operating lease liabilities		60.6	$ 0.0
Long-term operating lease liabilities		$ 33.0	$ 0.0
Operating Lease, Option to Extend		0
Operating Lease, Lease Not yet Commenced		0
2020 Finance leases	[2]	$ 0.5
2021 Finance leases	[2]	0.5
2022 Finance leases	[2]	0.5
2023 Finance leases	[2]	0.5
2024 Finance leases	[2]	0.5
Thereafter Finance leases	[2]	1.1
Total Finance Lease Payments	[2]	3.6
Less: Interest	[2]	0.9
Present value of finance lease liability	[2]	2.7
Current finance lease liability		0.3
Long-term finance lease liability		$ 2.4
Finance Lease, Option to Extend		0
Finance Lease, Lease Not yet Commenced		0
2020 Lease liabilities		$ 65.5
2021 Lease liabilities		14.3
2022 Lease liabilities		10.2
2023 Lease liabilities		7.4
2024 Lease liabilities		4.4
Thereafter Lease liabilities		4.4
Total Lease liabilities		106.2
less: Interest		9.9
Present value of lease liability		96.3
Lease, Liability, current		60.9
Lease Liability, noncurrent		$ 35.4

[1] As of December 31, 2019, the Company’s operating lease payments included no material options to extend lease terms that are reasonably certain of being exercised. The Company has no legally binding minimum lease payments for leases signed but not yet commenced as of December 31, 2019.

[2] As of December 31, 2019, the Company’s finance lease payments included no material options to extend lease terms that are reasonably certain of being exercised. In addition, the Company has no legally binding minimum lease payments for leases that have been signed but not yet commenced as of December 31, 2019.