v3.25.2
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, 2023     99,161,446          
Beginning balance at Dec. 31, 2023 $ 645.5 $ 614.2 $ 1.0 $ (184.0) $ 729.8 $ (12.8) $ 80.2 $ 31.3
Treasury stock, beginning balance (in shares) at Dec. 31, 2023       15,404,482        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income 44.4 41.5         41.5 2.9
Reclassifications of prior service benefit and actuarial loss amortization to earnings, net of tax 0.1 0.1       0.1    
Currency translation adjustment (0.9) (0.9)       (0.9)    
Share-based compensation 3.0 3.0     3.0      
Share issuances, net of shares withheld for taxes (in shares)     335,363          
Share issuances, net of shares withheld for taxes (3.6) (3.6)     (3.6)      
Dividends (17.4) (17.4)         (17.4)  
Cash distribution to noncontrolling interests (4.4)             (4.4)
Ending balance (in shares) at Jun. 30, 2024     99,496,809          
Ending balance at Jun. 30, 2024 666.7 636.9 $ 1.0 $ (184.0) 729.2 (13.6) 104.3 29.8
Treasury stock, ending balance (in shares) at Jun. 30, 2024       15,404,482        
Beginning balance (in shares) at Mar. 31, 2024     99,479,966          
Beginning balance at Mar. 31, 2024 653.2 623.0 $ 1.0 $ (184.0) 727.5 (12.9) 91.4 30.2
Treasury stock, beginning balance (in shares) at Mar. 31, 2024       15,404,482        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income 23.3 21.5         21.5 1.8
Currency translation adjustment (0.7) (0.7)       (0.7)    
Share-based compensation 1.7 1.7     1.7      
Share issuances, net of shares withheld for taxes (in shares)     16,843          
Dividends (8.6) (8.6)         (8.6)  
Cash distribution to noncontrolling interests (2.2)             (2.2)
Ending balance (in shares) at Jun. 30, 2024     99,496,809          
Ending balance at Jun. 30, 2024 666.7 636.9 $ 1.0 $ (184.0) 729.2 (13.6) 104.3 29.8
Treasury stock, ending balance (in shares) at Jun. 30, 2024       15,404,482        
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     15,404,482        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income $ 22.9 19.2         19.2 3.7
Reclassifications of prior service benefit and actuarial loss amortization to earnings, net of tax (0.2) (0.2)       (0.2)    
Currency translation adjustment 0.6 0.6       0.6    
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     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
Reclassifications of prior service benefit and actuarial loss amortization to earnings, net of tax (0.1) (0.1)       (0.1)    
Currency translation adjustment 0.3 0.3       0.3    
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     15,404,482