v3.25.2
Subsequent Events (Details) - USD ($)
$ in Millions
12 Months Ended
Jul. 16, 2025
Jul. 14, 2025
Jun. 13, 2025
Jun. 06, 2025
Mar. 31, 2025
Annual Incentive Plan          
Subsequent Event [Line Items]          
Performance period (in years)         1 year
Research Institute | Asset Purchase Agreement          
Subsequent Event [Line Items]          
Asset acquisition purchase price in cash     $ 305.0    
Research Institute | Excluded Business Assets          
Subsequent Event [Line Items]          
Asset acquisition purchase price in cash     $ 2.5    
Regeneron          
Subsequent Event [Line Items]          
Break-up fee       $ 10.0  
Subsequent Event          
Subsequent Event [Line Items]          
Proceeds from sale of assets   $ 302.5      
Subsequent Event | Annual Incentive Plan          
Subsequent Event [Line Items]          
AIP bonuses paid $ 3.6        
Subsequent Event | DIP Credit Facility          
Subsequent Event [Line Items]          
Repayments of borrowings   25.0      
Interest paid   0.1      
Exit fees paid   2.4      
Legal fees paid   0.5      
Subsequent Event | Research Institute | Asset Purchase Agreement          
Subsequent Event [Line Items]          
Proceeds from sale of assets   302.5      
Subsequent Event | Research Institute | Excluded Business Assets          
Subsequent Event [Line Items]          
Asset acquisition purchase price in cash   $ 2.5      
Subsequent Event | Regeneron          
Subsequent Event [Line Items]          
Payment of break-up fee $ 10.0