v3.26.1
General - Consolidated Statements of Stockholders' Equity (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Beginning balance $ 1,284.5 $ 837.8 $ 929.9 $ 805.3
Net income (loss) 243.8 (11.7) 570.8 10.7
Other comprehensive income 1.9 1.5 12.9 3.2
Share-based compensation 1.8 1.2 3.0 1.8
Contributions from noncontrolling interest 2.3 18.6 17.8 26.4
Ending balance 1,534.5 847.4 1,534.5 847.4
Noncontrolling Interest        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Beginning balance 133.6 111.5 124.3 111.0
Net income (loss) (5.5) (7.1) (16.0) (14.4)
Other comprehensive income 1.0 0.0 5.3  
Share-based compensation   0.0    
Contributions from noncontrolling interest 2.3 18.6 17.8 26.4
Ending balance $ 131.4 123.0 $ 131.4 123.0
As Previously Reported        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Beginning balance   690.7    
Net income (loss)   (9.1)    
Other comprehensive income   1.5    
Share-based compensation   1.2    
Contributions from noncontrolling interest   0.0    
Ending balance   684.3   684.3
As Previously Reported | Noncontrolling Interest        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Beginning balance   (35.6)    
Net income (loss)   (4.5)    
Other comprehensive income   0.0    
Share-based compensation   0.0    
Contributions from noncontrolling interest   0.0    
Ending balance   (40.1)   (40.1)
Restatement Impacts        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Net income (loss)   (2.6)    
Contributions from noncontrolling interest   18.6    
Ending balance   163.1   $ 163.1
Restatement Impacts | Noncontrolling Interest        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Net income (loss)   (2.6)    
Contributions from noncontrolling interest   $ 18.6