v3.26.1
Supplemental Financial Information (Accounts Receivable, Net) (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Trade receivables $ 462.4   $ 489.7
Income Taxes Receivable 6.4   49.8
Accounts Receivable, Allowance for Credit Loss, Current (4.3)   (14.9)
Accounts receivable, net 458.1   474.8
Accounts Receivable, Allowance for Credit Loss, Recovery 11.4 $ 0.1  
Gulf of America      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts Receivable, Allowance for Credit Loss, Recovery 11.7    
Trade      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Trade receivables 427.4   424.1
Other Accounts Receivable      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Trade receivables $ 28.6   $ 15.8