v3.26.1
Consolidated Statements of Equity - USD ($)
$ in Millions
Total
Total  SunCoke Energy, Inc.  Equity
Common Stock
Treasury Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Loss
Retained Earnings
Non-controlling Interests
Beginning balance (in shares) at Dec. 31, 2024     99,756,420          
Beginning balance at Dec. 31, 2024 $ 711.0 $ 680.2 $ 1.0 $ (184.0) $ 732.8 $ (7.7) $ 138.1 $ 30.8
Treasury stock, beginning balance (in shares) at Dec. 31, 2024       15,404,482        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income 22.9 19.2         19.2 3.7
Other comprehensive income, net of tax 0.4 0.4       0.4    
Share-based compensation 1.8 1.8     1.8      
Share issuances, net of shares withheld for taxes (in shares)     313,571          
Share issuances, net of shares withheld for taxes (3.0) (3.0)     (3.0)      
Dividends (20.9) (20.9)         (20.9)  
Cash distribution to noncontrolling interests (5.2)             (5.2)
Ending balance (in shares) at Jun. 30, 2025     100,069,991          
Ending balance at Jun. 30, 2025 707.0 677.7 $ 1.0 $ (184.0) 731.6 (7.3) 136.4 29.3
Treasury stock, ending balance (in shares) at Jun. 30, 2025       15,404,482        
Beginning balance (in shares) at Mar. 31, 2025     100,055,579          
Beginning balance at Mar. 31, 2025 714.5 684.6 $ 1.0 $ (184.0) 730.2 (7.5) 144.9 29.9
Treasury stock, beginning balance (in shares) at Mar. 31, 2025       15,404,482        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income 3.5 1.9         1.9 1.6
Other comprehensive income, net of tax 0.2 0.2       0.2    
Share-based compensation 1.4 1.4     1.4      
Share issuances, net of shares withheld for taxes (in shares)     14,412          
Dividends (10.4) (10.4)         (10.4)  
Cash distribution to noncontrolling interests (2.2)             (2.2)
Ending balance (in shares) at Jun. 30, 2025     100,069,991          
Ending balance at Jun. 30, 2025 707.0 677.7 $ 1.0 $ (184.0) 731.6 (7.3) 136.4 29.3
Treasury stock, ending balance (in shares) at Jun. 30, 2025       15,404,482        
Beginning balance (in shares) at Dec. 31, 2025     100,069,991          
Beginning balance at Dec. 31, 2025 $ 626.1 597.3 $ 1.0 $ (184.0) 732.2 (4.2) 52.3 28.8
Treasury stock, beginning balance (in shares) at Dec. 31, 2025 15,404,482     15,404,482        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income $ 12.2 8.7         8.7 3.5
Other comprehensive income, net of tax (1.7) (1.7)       (1.7)    
Share-based compensation 3.1 3.1     3.1      
Share issuances, net of shares withheld for taxes (in shares)     209,341          
Share issuances, net of shares withheld for taxes (1.1) (1.1)     (1.1)      
Dividends (20.7) (20.7)         (20.7)  
Cash distribution to noncontrolling interests (4.4)             (4.4)
Ending balance (in shares) at Jun. 30, 2026     100,279,332          
Ending balance at Jun. 30, 2026 $ 613.5 585.6 $ 1.0 $ (184.0) 734.2 (5.9) 40.3 27.9
Treasury stock, ending balance (in shares) at Jun. 30, 2026 15,404,482     15,404,482        
Beginning balance (in shares) at Mar. 31, 2026     100,257,680          
Beginning balance at Mar. 31, 2026 $ 610.0 581.7 $ 1.0 $ (184.0) 731.8 (4.7) 37.6 28.3
Treasury stock, beginning balance (in shares) at Mar. 31, 2026       15,404,482        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income 15.6 13.1         13.1 2.5
Other comprehensive income, net of tax (1.2) (1.2)       (1.2)    
Share-based compensation 2.4 2.4     2.4      
Share issuances, net of shares withheld for taxes (in shares)     21,652          
Dividends (10.4) (10.4)         (10.4)  
Cash distribution to noncontrolling interests (2.9)             (2.9)
Ending balance (in shares) at Jun. 30, 2026     100,279,332          
Ending balance at Jun. 30, 2026 $ 613.5 $ 585.6 $ 1.0 $ (184.0) $ 734.2 $ (5.9) $ 40.3 $ 27.9
Treasury stock, ending balance (in shares) at Jun. 30, 2026 15,404,482     15,404,482