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Leases Operating and Finance Lease Assets and Liabilities (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Lessee, Operating and Finance Lease, Maximum Term of Lease Contract 29 years  
Finance and Operating Leases, Maximum Lease Extension Term 10 years  
Operating Lease, Right-of-Use Asset $ 173.1 $ 192.1
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:LiabilitiesCurrentAbstract us-gaap:LiabilitiesCurrentAbstract
Operating Lease, Liability, Noncurrent $ 109.6 $ 127.0
Operating Lease, Liability, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilities us-gaap:OtherLiabilities
Finance Lease, Right-of-Use Asset $ 457.9 $ 423.2
Less: accumulated depreciation 89.3 57.5
Finance Lease, Right-of-Use Asset, Net 368.6 365.7
Finance Lease, Liability, Current 49.9 41.7
Finance Lease, Liability, Noncurrent 294.6 303.4
Finance Lease, Liability $ 344.5 $ 345.1