Leases - Maturity (Details) $ in Millions	Jun. 30, 2019 USD ($)
Operating Leases
2019	$ 76.1
2020	134.4
2021	110.5
2022	60.2
2023	27.6
After 2023	17.8
Total lease payments	426.6
Less: Imputed interest	72.4
Present value of lease liabilities	354.2
Finance Leases
2019	0.3
2020	0.6
2021	0.6
2022	0.6
2023	0.6
After 2023	4.2
Total lease payments	6.9
Less: Imputed interest	3.3
Present value of lease liabilities	3.6
Total
2019	76.4
2020	135.0
2021	111.1
2022	60.8
2023	28.2
After 2023	22.0
Total lease payments	433.5
Less: Imputed interest	75.7
Present value of lease liabilities	$ 357.8