v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT (Unaudited) - USD ($)
shares in Millions, $ in Millions
Total
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Treasury Stock, at Cost
Beginning balance (in shares) at Dec. 31, 2024   232.2        
Beginning balance at Dec. 31, 2024 $ (1,004.2) $ 2.3 $ 2,682.8 $ 24.1 $ (3,682.4) $ (31.0)
Beginning balance (in shares) at Dec. 31, 2024           3.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Exercise of stock options and release of stock awards (in shares)   9.6        
Exercise of stock options and release of stock awards, net of shares withheld (0.8) $ 0.1 (0.9)      
Issuance of shares from Employee Stock Purchase Plans (in shares)   0.3        
Issuance of shares from Employee Stock Purchase Plan 0.3   0.3      
Share-based compensation expense for equity classified awards 14.5   14.5      
Net loss (126.0)       (126.0)  
Other comprehensive income (loss) (2.8)     (2.8)    
Ending balance (in shares) at Jun. 30, 2025   242.1        
Ending balance at Jun. 30, 2025 (1,119.0) $ 2.4 2,696.7 21.3 (3,808.4) $ (31.0)
Ending balance (in shares) at Jun. 30, 2025           3.1
Beginning balance (in shares) at Mar. 31, 2025   240.4        
Beginning balance at Mar. 31, 2025 (1,073.1) $ 2.4 2,690.3 19.1 (3,753.9) $ (31.0)
Beginning balance (in shares) at Mar. 31, 2025           3.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Exercise of stock options and release of stock awards (in shares)   1.4        
Exercise of stock options and release of stock awards, net of shares withheld (0.8)   (0.8)      
Issuance of shares from Employee Stock Purchase Plans (in shares)   0.3        
Issuance of shares from Employee Stock Purchase Plan 0.3   0.3      
Share-based compensation expense for equity classified awards 6.9   6.9      
Net loss (54.5)       (54.5)  
Other comprehensive income (loss) 2.2     2.2    
Ending balance (in shares) at Jun. 30, 2025   242.1        
Ending balance at Jun. 30, 2025 $ (1,119.0) $ 2.4 2,696.7 21.3 (3,808.4) $ (31.0)
Ending balance (in shares) at Jun. 30, 2025           3.1
Beginning balance (in shares) at Dec. 31, 2025 245.3 248.4        
Beginning balance at Dec. 31, 2025 $ (1,219.5) $ 2.5 2,709.7 7.5 (3,908.2) $ (31.0)
Beginning balance (in shares) at Dec. 31, 2025 3.1         3.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Exercise of stock options and release of stock awards (in shares)   6.2        
Exercise of stock options and release of stock awards, net of shares withheld $ (0.4)   (0.4)      
Issuance of shares from Employee Stock Purchase Plans (in shares)   0.2        
Issuance of shares from Employee Stock Purchase Plan 0.2   0.2      
Share-based compensation expense for equity classified awards 7.4   7.4      
Net loss (59.2)       (59.2)  
Other comprehensive income (loss) $ (9.6)     (9.6)    
Ending balance (in shares) at Jun. 30, 2026 251.7 254.8        
Ending balance at Jun. 30, 2026 $ (1,281.1) $ 2.5 2,716.9 (2.1) (3,967.4) $ (31.0)
Ending balance (in shares) at Jun. 30, 2026 3.1         3.1
Beginning balance (in shares) at Mar. 31, 2026   252.2        
Beginning balance at Mar. 31, 2026 $ (1,216.7) $ 2.5 2,713.5 (1.8) (3,899.9) $ (31.0)
Beginning balance (in shares) at Mar. 31, 2026           3.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Exercise of stock options and release of stock awards (in shares)   2.4        
Exercise of stock options and release of stock awards, net of shares withheld (0.4)   (0.4)      
Issuance of shares from Employee Stock Purchase Plans (in shares)   0.2        
Issuance of shares from Employee Stock Purchase Plan 0.2   0.2      
Share-based compensation expense for equity classified awards 3.6   3.6      
Net loss (67.5)       (67.5)  
Other comprehensive income (loss) $ (0.3)     (0.3)    
Ending balance (in shares) at Jun. 30, 2026 251.7 254.8        
Ending balance at Jun. 30, 2026 $ (1,281.1) $ 2.5 $ 2,716.9 $ (2.1) $ (3,967.4) $ (31.0)
Ending balance (in shares) at Jun. 30, 2026 3.1         3.1