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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Accounting Policies [Abstract]      
Accounts Receivable, before Allowance for Credit Loss $ 167.5 $ 85.2  
Accounts Receivable, Allowance for Credit Loss, Current (1.6) (1.2)  
Unbilled Receivables, Current 5.3 4.1  
Income Taxes Receivable, Current 2.6 4.8  
Other Receivables, Net, Current 15.0 3.1  
Receivables, net of allowance for current expected credit losses of $1.6 and $1.2 at December 31, 2024 and 2023 188.7 96.1  
Inventory, Finished Goods, Gross 123.4 77.4  
Other Inventory, Supplies, Gross 102.5 57.0  
Depreciation and amortization 99.8 98.6 $ 103.3
Asset Retirement Obligation 5.0 2.0 $ 1.9
Accretion Expense, Including Asset Retirement Obligations 0.2 0.1  
Asset Retirement Obligation, Cash Paid to Settle $ (0.1) $ (0.1)