Leases (Details 3) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Operating Leased Assets [Line Items]
Capital Leases, Net Investment in Direct Financing Leases, Minimum Payments to be Received	$ 33.3	$ 7.9
Operating and Finance Leases, Future Minimum Payments Due, Next Twelve Months	83.9
2021	941.7
Operating Leases
2017, Operating Lease	49.0
2018, Operating Lease	48.0
2019, Operating Lease	45.1
2020, Operating Lease	37.7
Years thereafter, Operating Leases	180.0
Total, Operating Leases	443.7
Lessee Operating Leases Future MinimumPayments Interest Included In Payments	(61.8)
Operating Lease, Liability	348.6	429.4	$ 483.6
Lease, Liability	381.9	$ 437.3
Recourse Operating Leases [Member]
Operating Leases
2016, Operating Lease	50.6
2017, Operating Lease	49.0
2018, Operating Lease	48.0
2019, Operating Lease	45.1
2020, Operating Lease	37.7
Years thereafter, Operating Leases	180.0
Total, Operating Leases	410.4
Lessee Operating Leases Future MinimumPayments Interest Included In Payments	(61.8)
Operating Lease, Liability	$ 348.6