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Goodwill and Intangible Assets (Intangible Assets Subject to Amortization) (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Cost    
Total intangible assets subject to amortization $ 30.5 $ 30.5
Intangible assets not subject to amortization, indefinite lives: 115.4 115.6
Intangible assets, net of amortization 145.9 146.1
Net    
Total intangible assets subject to amortization 24.5 24.8
Intangible assets not subject to amortization, indefinite lives: 115.4 115.6
Intangible assets, net of amortization 139.9 140.4
Trade name    
Cost    
Intangible assets not subject to amortization, indefinite lives: 115.4 115.4
Net    
Intangible assets not subject to amortization, indefinite lives: 115.4 115.4
Liquor licenses    
Cost    
Intangible assets not subject to amortization, indefinite lives: 0.0 0.2
Net    
Intangible assets not subject to amortization, indefinite lives: $ 0.0 0.2
Pipeline space    
Acquired Finite-Lived Intangible Assets [Line Items]    
Remaining Useful Life (in years) 31 years 10 months 24 days  
Cost    
Pipeline space $ 39.6 39.6
Net    
Pipeline space $ 31.9 32.7
Intangible lease liability    
Acquired Finite-Lived Intangible Assets [Line Items]    
Remaining Useful Life (in years) 10 years 8 months 12 days  
Cost    
Intangible lease liability $ (9.1) (9.1)
Net    
Intangible lease liability $ (7.4) $ (7.9)