Leases - Position of Leases (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Assets
Operating lease assets	$ 60.7	$ 64.3
Finance lease assets	28.2	27.1
Total lease assets	88.9	91.4
Current
Operating	11.4	11.9
Finance	6.7	7.0
Noncurrent
Operating	50.5	53.6
Finance	11.2	10.2
Total lease liabilities	$ 79.8	$ 82.7
Weighted-average remaining lease term (in years)
Operating leases	6 years 10 months 24 days	7 years 1 month 6 days
Finance leases	4 years	3 years 10 months 24 days
Weighted-average discount rate
Operating leases	5.30%	5.40%
Finance leases	3.90%	3.70%