Leases - Schedule of Finance Leased Right-of-Use Assets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jan. 01, 2019
Finance Leased Assets [Line Items]
Accumulated amortization	$ (1.9)	$ (11.2)
Finance lease right-of-use asset	1.5	10.1
Transportation equipment
Finance Leased Assets [Line Items]
Finance lease right-of-use asset, gross	0.0	19.9
Real property
Finance Leased Assets [Line Items]
Finance lease right-of-use asset, gross	0.8	0.8
Other property
Finance Leased Assets [Line Items]
Finance lease right-of-use asset, gross	$ 2.6	$ 0.6