Quarterly report [Sections 13 or 15(d)]

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

v3.25.3
Business Segments - Summary of Reconciles Total Adjusted EBITDA for Reportable Segments to Net Income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Segment Reporting [Abstract]        
Adjusted EBITDA $ 40.9 $ 134.8 $ 249.0 $ 430.3
Interest expense, net (34.5) (40.6) (105.5) (117.8)
Depreciation, depletion and amortization (103.0) (112.7) (313.7) (328.9)
Income tax benefit 20.2 1.5 15.5 24.9
Gain (loss) on disposal of assets, net (5.5) 1.4 (14.1) 2.5
Loss on extinguishment of debt       (0.8)
Provision for credit losses, net of recoveries     (12.8)  
Stock-based compensation (4.2) (1.1) (7.3) (6.1)
Lease termination     (0.8)  
Transaction costs (1.1) (3.9) (8.3) (3.9)
Severance charges   (0.7) (0.4) (2.5)
Acquisition and integration costs   (2.0) (0.2) (5.1)
Supply commitment charges   (9.4)   (9.6)
Impairment of goodwill   (6.8)   (74.5)
Gain (loss) on insurance recoveries (0.3)   (0.3) 3.2
Litigation expenses and accruals for legal contingencies (4.9) (2.9) (9.3) (16.9)
Loss on investments, net   (1.1) (6.8) (0.9)
Net loss $ (92.4) $ (43.5) $ (215.0) $ (106.1)