Leases - Schedule of Maturities of Lease Liabilities (Details) $ in Millions	Mar. 31, 2019 USD ($)
Operating Leases Liabilities
2019	$ 111.1
2020	125.3
2021	95.1
2022	74.7
2023	49.4
After 2024	116.6
Total lease payments	572.2
Less: Imputed interest	79.5
Present value of lease liabilities	492.7
Finance Leases Liabilities
2019	1.8
2020	2.4
2021	2.4
2022	2.2
2023	1.9
After 2024	7.0
Total lease payments	17.7
Less: Imputed interest	3.5
Present value of lease liabilities	14.2
Total
2019	112.9
2020	127.7
2021	97.5
2022	76.9
2023	51.3
After 2024	123.6
Total lease payments	589.9
Less: Imputed interest	(83.0)
Present value of lease liabilities	$ 506.9