Leases - Maturity (Details) $ in Millions	Mar. 31, 2020 USD ($)
Operating Leases
2020 (excluding the three months ended March 31, 2020)	$ 52.3
2021	63.3
2022	55.2
2023	43.7
2024	35.8
Thereafter	101.7
Future minimum lease payments	352.0
Less: Interest	54.5
Present value of lease obligations	297.5
Finance Leases
2020 (excluding the three months ended March 31, 2020)	10.3
2021	13.6
2022	11.5
2023	9.1
2024	7.4
Thereafter	38.6
Total lease payments	90.5
Less: Interest	20.4
Present value of lease obligations	70.1
2020 (excluding the three months ended March 31, 2020)	62.6
2021	76.9
2022	66.7
2023	52.8
2024	43.2
Thereafter	140.3
Total lease payments	442.5
Less: Interest	74.9
Present value of lease obligations	$ 367.6