Leases (Details) $ in Millions |
Mar. 31, 2019 |
Jan. 01, 2019
USD ($)
|
---|---|---|
Leases [Abstract] | ||
Finance Lease, Liability | $ 568.0 | |
Finance Lease, Right-of-Use Asset | $ 448.2 | |
Operating Lease, Weighted Average Remaining Lease Term | 19 | |
Lessee, Operating Lease, Renewal Term | 5 | |
Lessee, Operating Lease, Option to Terminate | 12 | |
Lessee, Operating Lease, Term of Contract | 12 | |
Finance Lease, Weighted Average Remaining Lease Term | 144 | |
Lessee, Finance Lease, Discount Rate | 3.51% | |
Lease Term Recognition-Balance Sheet | 12 |