Leases - Schedule of Maturity of Lease Liabilities - Before Adoption of 842 (Details) $ in Millions	Dec. 31, 2018 USD ($)
Operating Leases, Before Adoption of 842:
2019	$ 61.6
2020	56.8
2021	48.4
2022	38.3
2023	29.8
2024 and Thereafter	108.6
Total	343.5
Capital Leases, Before Adoption of 842:
2019	4.7
2020	4.3
2021	3.5
2022	3.4
2023	3.2
2024 and thereafter	18.9
Total	38.0
Less: interest	8.6
Present value of future minimum lease payments	29.4
Less: current portion	(3.2)
Non-current portion	$ 26.2