v3.26.1
Statement of Shareholders' Equity (Statement) - USD ($)
$ in Millions
Total
Operating Segments [Member]
Utility [Member]
Common Stock [Member]
Retained Earnings [Member]
AOCI Attributable to Noncontrolling Interest
Shares, Issued     (1)    
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ 362.1   $ 0.0    
Other paid-in capital 3,040.5        
Accumulated other comprehensive income (5.3)        
Retained Earnings (Accumulated Deficit) (2,673.1)        
Other Comprehensive Income (Loss), Net of Tax 0.0        
Net income 2.7        
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest 2.7        
Net Income (Loss) Attributable to Parent 2.7 $ 10.7   $ 2.7  
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest 0.0        
Payments of Ordinary Dividends 0.0        
Shares, Issued     (1)    
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 364.8   $ 0.0    
Other paid-in capital 3,040.5        
Accumulated other comprehensive income (5.3)        
Retained Earnings (Accumulated Deficit) (2,670.4)        
Equity, Attributable to Parent 412.9        
Other paid-in capital 3,049.3        
Accumulated other comprehensive income 15.7        
Retained Earnings (Accumulated Deficit) (2,652.1)        
Members' Equity 3,049.3        
Redeemable Noncontrolling Interest, Equity, Carrying Amount 594.7        
Equity, Attributable to Parent 412.9        
Other Comprehensive Income (Loss), Net of Tax (0.1)        
Net income 39.3 $ 42.2      
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest 39.2        
Stockholders' Equity, Other 0.1     (0.1)  
Net Income (Loss) Attributable to Parent 26.6     26.6  
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest (12.7)     $ 12.7  
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent (0.2)        
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest         $ 0.1
Payments of Ordinary Dividends (2.3)        
Other paid-in capital 3,049.3        
Accumulated other comprehensive income 15.5        
Retained Earnings (Accumulated Deficit) (2,625.4)        
Members' Equity 3,049.3        
Redeemable Noncontrolling Interest, Equity, Carrying Amount 605.2        
Equity, Attributable to Parent $ 439.4