v3.26.3
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Income Statement [Abstract]        
Revenues $ 1,096.3 $ 1,012.1 $ 3,072.8 $ 2,839.2
Costs and expenses        
Operating costs and expenses (exclusive of items shown separately below) 980.2 896.9 2,798.8 2,456.5
Depreciation, depletion and amortization 97.6 100.0 314.6 285.5
Asset retirement obligation expenses 13.7 13.9 41.1 41.3
Selling and administrative expenses 28.8 27.4 83.7 74.5
Restructuring charges 1.0 4.0 4.4 9.2
Costs related to terminated acquisition 3.9 54.0 9.2 75.2
Other Operating Income Loss [Abstract]        
Net gain on disposals (1.3) (5.3) (17.4) (25.3)
Loss from equity affiliates 1.9 2.6 17.5 10.2
Other Cost and Expense, Operating 12.9 0.0 12.9 0.0
Operating loss (42.4) (81.4) (192.0) (87.9)
Interest Expense, Operating and Nonoperating 18.6 10.0 42.0 32.6
Induced Conversion of Convertible Debt Expense 3.3 0.0 20.5 0.0
Change in fair value of bifurcated conversion option (7.2) 0.0 (7.2) 0.0
Interest income (8.5) (13.9) (33.7) (43.1)
Net periodic benefit credit, excluding service cost (12.1) (7.5) (12.8) (22.3)
Defined Benefit Plan, Net Mark-To-Market Adjustment on Actuarially Determined Liabilities (3.3) 0.0 (3.3) 0.0
Loss from continuing operations before income taxes (33.2) (70.0) (197.5) (55.1)
Income tax benefit (4.5) (3.4) (57.5) (1.2)
Loss from continuing operations, net of income taxes (28.7) (66.6) (140.0) (53.9)
Loss from discontinued operations, net of income taxes (0.2) (0.3) (0.7) (1.0)
Net loss (28.9) (66.9) (140.7) (54.9)
Less: Net income attributable to noncontrolling interests 3.9 3.2 15.1 8.4
Net loss attributable to common stockholders $ (32.8) $ (70.1) $ (155.8) $ (63.3)
Loss from continuing operations:        
Basic loss per share $ (0.27) $ (0.57) $ (1.27) $ (0.51)
Diluted loss per share (0.27) (0.57) (1.27) (0.51)
Net loss attributable to common stockholders:        
Basic loss per share (0.27) (0.58) (1.28) (0.52)
Earnings Per Share, Diluted $ (0.27) $ (0.58) $ (1.28) $ (0.52)