Leases Leases - Lease Assets and Liabilities (Details) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating Lease Assets	[1]	$ 63.1	$ 93.1
Finance Lease Assets	[2]	4.2	3.2
Total Leased Asset		67.3	96.3
Current portion of operating lease liabilities	[1]	36.3	60.6
Current portion of finance leases		0.5	0.3
Long-term operating lease liabilities	[1]	27.5	33.0
Long-term finance lease liabilities		3.4	2.4
Total Lease Liability		67.7	96.3
Lease, Operating Right-of-Use Asset and liability additions		0.7
Finance Lease, Accumulated Amortization		$ 3.1	$ 7.1

[1] In the second quarter of 2020, the Company had additions to its operating lease right-of-use assets and operating lease liabilities of approximately $0.7 million.

[2] Finance lease assets are recorded net of accumulated amortization of $3.1 million and $7.1 million as of June 30, 2020 and December 31, 2019, respectively.