Quarterly report [Sections 13 or 15(d)]

Business Segments - Summary of Reconciles Total Adjusted EBITDA for Reportable Segments to Net Income (Details)

v3.25.1
Business Segments - Summary of Reconciles Total Adjusted EBITDA for Reportable Segments to Net Income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting [Abstract]    
Adjusted EBITDA $ 129.5 $ 159.9
Interest expense, net (35.9) (37.6)
Depreciation, depletion and amortization (106.0) (112.8)
Income tax expense (0.3) (0.3)
Gain (loss) on disposal of assets, net (3.4) 1.4
Loss on extinguishment of debt   (0.8)
Stock-based compensation (1.1) (2.1)
Transaction costs (0.2)  
Severance charges   (0.7)
Acquisition and integration costs (0.1) (0.2)
Supply commitment charges   (0.2)
Litigation expenses and accruals for legal contingencies (1.6) (4.8)
Unrealized gain on investments, net 3.7 1.2
Net income (loss) $ (15.4) $ 3.0