v3.26.1
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Income Statement [Abstract]    
Revenues $ 973.3 $ 937.0
Costs and expenses    
Operating costs and expenses (exclusive of items shown separately below) 864.7 770.2
Depreciation, depletion and amortization 109.5 92.1
Asset retirement obligation expenses 13.6 13.6
Selling and administrative expenses 31.6 23.6
Restructuring charges 1.1 1.7
Costs related to terminated acquisition 3.0 2.4
Other Operating Income Loss [Abstract]    
Net gain on disposals (11.7) (5.2)
Loss from equity affiliates 5.7 6.7
Operating (loss) profit (44.2) 31.9
Interest expense, net of capitalized interest 10.7 11.5
Interest income (13.1) (15.4)
Net periodic benefit credit, excluding service cost (0.4) (7.4)
(Loss) income from continuing operations before income taxes (41.4) 43.2
Income tax (benefit) provision (16.0) 4.9
(Loss) income from continuing operations, net of income taxes (25.4) 38.3
Loss from discontinued operations, net of income taxes (0.2) (0.3)
Net (loss) income (25.6) 38.0
Less: Net income attributable to noncontrolling interests 6.8 3.6
Net (loss) income attributable to common stockholders $ (32.4) $ 34.4
(Loss) income from continuing operations:    
Basic (loss) income per share $ (0.26) $ 0.29
Diluted (loss) income per share (0.26) 0.27
Net (loss) income attributable to common stockholders:    
Basic (loss) income per share (0.27) 0.28
Diluted (loss) income per share $ (0.27) $ 0.27