v3.26.3
Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) - USD ($)
shares in Millions, $ in Millions
Total
Common
Accumulated Deficit
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Treasury
Beginning balance (in shares) at Dec. 31, 2024   68.8        
Beginning balance (in shares) at Dec. 31, 2024           0.0
Beginning balance at Dec. 31, 2024 $ 561.7 $ 0.1 $ (1,531.6) $ 2,092.2 $ 1.0 $ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation 35.5     35.5    
Net (loss) income (13.4)   (13.4)      
Issuance of common stock under equity incentive plans (in shares)   1.2        
Issuance of common stock under equity incentive plans 0.5     0.5    
Issuance of common stock for pre-funded warrants (in shares)   3.4        
Share repurchases (treasury stock) (in shares)           2.6
Share repurchases (treasury stock) (20.3)         $ (20.3)
Unrealized loss on available-for-sale securities 0.4       0.4  
Ending balance (in shares) at Sep. 30, 2025   73.4        
Ending balance (in shares) at Sep. 30, 2025           2.6
Ending balance at Sep. 30, 2025 564.4 $ 0.1 (1,545.0) 2,128.2 1.4 $ (20.3)
Beginning balance (in shares) at Jun. 30, 2025   73.2        
Beginning balance (in shares) at Jun. 30, 2025           0.0
Beginning balance at Jun. 30, 2025 609.3 $ 0.1 (1,509.9) 2,118.1 1.0 $ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation 10.1     10.1    
Net (loss) income (35.1)   (35.1)      
Issuance of common stock under equity incentive plans (in shares)   0.2        
Share repurchases (treasury stock) (in shares)           2.6
Share repurchases (treasury stock) (20.3)         $ (20.3)
Unrealized loss on available-for-sale securities 0.4       0.4  
Ending balance (in shares) at Sep. 30, 2025   73.4        
Ending balance (in shares) at Sep. 30, 2025           2.6
Ending balance at Sep. 30, 2025 $ 564.4 $ 0.1 (1,545.0) 2,128.2 1.4 $ (20.3)
Beginning balance (in shares) at Dec. 31, 2025 63.5 73.5        
Beginning balance (in shares) at Dec. 31, 2025 10.0         10.0
Beginning balance at Dec. 31, 2025 $ 433.9 $ 0.1 (1,612.4) 2,136.9 1.2 $ (91.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation 23.9     23.9    
Net (loss) income 57.9   57.9      
Issuance of common stock under equity incentive plans (in shares)   2.0        
Issuance of common stock under equity incentive plans 1.0     1.0    
Unrealized loss on available-for-sale securities $ (2.9)       (2.9)  
Ending balance (in shares) at Sep. 30, 2026 65.5 75.5        
Ending balance (in shares) at Sep. 30, 2026 10.0         10.0
Ending balance at Sep. 30, 2026 $ 513.8 $ 0.1 (1,554.5) 2,161.8 (1.7) $ (91.9)
Beginning balance (in shares) at Jun. 30, 2026   75.3        
Beginning balance (in shares) at Jun. 30, 2026           10.0
Beginning balance at Jun. 30, 2026 562.2 $ 0.1 (1,500.6) 2,155.4 (0.8) $ (91.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation 5.9     5.9    
Net (loss) income (53.9)   (53.9)      
Issuance of common stock under equity incentive plans (in shares)   0.2        
Issuance of common stock under equity incentive plans 0.5     0.5    
Unrealized loss on available-for-sale securities $ (0.9)       (0.9)  
Ending balance (in shares) at Sep. 30, 2026 65.5 75.5        
Ending balance (in shares) at Sep. 30, 2026 10.0         10.0
Ending balance at Sep. 30, 2026 $ 513.8 $ 0.1 $ (1,554.5) $ 2,161.8 $ (1.7) $ (91.9)