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Commitments and Contingent Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Operating lease obligations:    
Renewal option years for certain leases 20 years  
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]    
Noncurrent portion of AROs $ 159.0 $ 137.6
Deferred revenues - non-current portion 249.5 198.2
Lease liability - non-current portion 338.8 320.8
Derivative liabilities 1.5 17.2
Other 11.2 12.8
Total 760.0 686.6
Junior Subordinated Note [Member]    
Debt Instrument [Line Items]    
Debt obligations $ 2,650.0  
Minimum [Member]    
Operating lease obligations:    
Term of material lease agreements 5 years  
Maximum [Member]    
Operating lease obligations:    
Term of material lease agreements 30 years  
Litigation matters [Member]    
Loss Contingencies [Line Items]    
Litigation accruals on an undiscounted basis $ 0.2 $ 6.1