v3.26.1
Goodwill and Intangible Assets - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Cost    
Total intangible assets subject to amortization $ 30.5 $ 30.5
Intangible assets, net of amortization 145.9 145.9
Net    
Total intangible assets subject to amortization 23.8 23.9
Intangible assets, net of amortization 139.2 139.3
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
Pipeline space    
Intangible Asset, Finite-Lived, Acquired [Line Items]    
Remaining Useful Life (in years) 29 years 2 months 12 days  
Cost    
Pipeline space $ 39.6 39.6
Net    
Pipeline space $ 29.2 29.7
Intangible lease liability    
Intangible Asset, Finite-Lived, Acquired [Line Items]    
Remaining Useful Life (in years) 8 years 3 months 18 days  
Cost    
Intangible lease liability $ (9.1) (9.1)
Net    
Intangible lease liability $ (5.4) $ (5.8)