Leases - Schedule of Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2021	$ 24.8
2022	17.6
2023	16.8
2024	6.0
2025	3.4
2026 and thereafter	3.8
Total lease payments	72.4
Less imputed interest	(5.8)
Finance lease obligations	66.6	$ 82.4
Finance Lease, Liability, Payment, Due [Abstract]
2021	17.1
2022	5.8
2023	1.5
2024	0.7
2025	0.5
2026 and thereafter	7.7
Total lease payments	33.3
Less imputed interest	(6.0)
Total finance lease liabilities	$ 27.3	$ 15.2