Leases, Schedule of Lease Cost Classification (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Operating lease cost	$ 1.8	$ 2.0
Short-term lease cost	0.3	0.3
Amortization of leased assets	0.4	0.4
Interest on lease liabilities	0.1	0.1
Total lease cost	$ 2.6	$ 2.8