Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Right-of-use operating lease assets	$ 151.9	$ 167.5
Finance Lease, Right-of-Use Asset	4.2	2.4
Lease, Right-Of-Use Asset	156.1	169.9
Operating lease liabilities	57.0	62.8
Finance Lease, Liability, Current	1.2	0.9
Operating Lease, Liability, Noncurrent	96.5	106.4
Finance Lease, Liability, Noncurrent	2.1	1.4
Lease Liability	$ 156.8	$ 171.5