v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($)
shares in Millions, $ in Millions
Total
Ordinary Shares
Ordinary Shares
Performance-Based Restricted Stock Units (PRSUs)
Non-voting Euro Deferred
Capital Redemption Reserve
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Retained Earnings
Beginning balance (in shares) at Dec. 31, 2024   60.6   4.0        
Beginning balance at Dec. 31, 2024 $ 4,093.7 $ 0.0   $ 0.1 $ 0.5 $ 3,913.5 $ (947.7) $ 1,127.3
Increase (Decrease) in Shareholders' Equity [Roll Forward]                
Issuance of ordinary shares in conjunction with exercise of share options (in shares)   0.1            
Issuance of ordinary shares in conjunction with exercise of share options 11.5         11.5    
Issuance of ordinary shares in conjunction with vesting of restricted stock units and performance-based restricted stock units (in shares)   0.8 0.1          
Shares withheld for payment of employees' withholding tax liability (67.2)         (67.2)    
Share-based compensation 67.3         67.3    
Other comprehensive loss (income) 162.0           162.0  
Net income (loss) (92.5)             (92.5)
Ending balance (in shares) at Mar. 31, 2025   61.6   4.0        
Ending balance at Mar. 31, 2025 4,174.8 $ 0.0   $ 0.1 0.5 3,925.1 (785.7) 1,034.8
Beginning balance (in shares) at Dec. 31, 2024   60.6   4.0        
Beginning balance at Dec. 31, 2024 4,093.7 $ 0.0   $ 0.1 0.5 3,913.5 (947.7) 1,127.3
Increase (Decrease) in Shareholders' Equity [Roll Forward]                
Other comprehensive loss (income) 461.9              
Net income (loss) (811.0)              
Ending balance (in shares) at Jun. 30, 2025   60.6   4.0        
Ending balance at Jun. 30, 2025 3,706.4 $ 0.0   $ 0.1 0.5 4,000.3 (485.8) 191.3
Beginning balance (in shares) at Mar. 31, 2025   61.6   4.0        
Beginning balance at Mar. 31, 2025 4,174.8 $ 0.0   $ 0.1 0.5 3,925.1 (785.7) 1,034.8
Increase (Decrease) in Shareholders' Equity [Roll Forward]                
Issuance of ordinary shares under employee stock purchase plan (in shares)   0.1            
Issuance of ordinary shares under employee stock purchase plan 10.5         10.5    
Shares withheld for payment of employees' withholding tax liability (2.2)         (2.2)    
Share-based compensation 66.9         66.9    
Shares repurchased (in shares)   (1.1)            
Shares repurchased (125.0)             (125.0)
Other comprehensive loss (income) 299.9           299.9  
Net income (loss) (718.5)             (718.5)
Ending balance (in shares) at Jun. 30, 2025   60.6   4.0        
Ending balance at Jun. 30, 2025 3,706.4 $ 0.0   $ 0.1 0.5 4,000.3 (485.8) 191.3
Beginning balance (in shares) at Dec. 31, 2025   61.4   4.0        
Beginning balance at Dec. 31, 2025 4,318.6 $ 0.0   $ 0.1 0.5 4,240.5 (568.6) 646.1
Increase (Decrease) in Shareholders' Equity [Roll Forward]                
Issuance of ordinary shares in conjunction with exercise of share options (in shares)   0.2            
Issuance of ordinary shares in conjunction with exercise of share options 32.9         32.9    
Issuance of ordinary shares in conjunction with vesting of restricted stock units and performance-based restricted stock units (in shares)   1.0 0.1          
Shares withheld for payment of employees' withholding tax liability (103.6)         (103.6)    
Share-based compensation 73.7         73.7    
Other comprehensive loss (income) (82.4)           (82.4)  
Net income (loss) 293.1             293.1
Ending balance (in shares) at Mar. 31, 2026   62.7   4.0        
Ending balance at Mar. 31, 2026 4,532.3 $ 0.0   $ 0.1 0.5 4,243.5 (651.0) 939.2
Beginning balance (in shares) at Dec. 31, 2025   61.4   4.0        
Beginning balance at Dec. 31, 2025 4,318.6 $ 0.0   $ 0.1 0.5 4,240.5 (568.6) 646.1
Increase (Decrease) in Shareholders' Equity [Roll Forward]                
Other comprehensive loss (income) (93.9)              
Net income (loss) 485.9              
Ending balance (in shares) at Jun. 30, 2026   64.8   4.0        
Ending balance at Jun. 30, 2026 4,801.7 $ 0.0   $ 0.1 0.5 4,331.6 (662.5) 1,132.0
Beginning balance (in shares) at Mar. 31, 2026   62.7   4.0        
Beginning balance at Mar. 31, 2026 4,532.3 $ 0.0   $ 0.1 0.5 4,243.5 (651.0) 939.2
Increase (Decrease) in Shareholders' Equity [Roll Forward]                
Issuance of ordinary shares in conjunction with exercise of share options (in shares)   0.1            
Issuance of ordinary shares in conjunction with exercise of share options 10.9         10.9    
Issuance of ordinary shares in conjunction with 2026 Notes (in shares)   1.9            
Issuance of ordinary shares in conjunction with 2026 Notes 0.0         0.0    
Issuance of ordinary shares under employee stock purchase plan (in shares)   0.1            
Issuance of ordinary shares under employee stock purchase plan 11.8         11.8    
Shares withheld for payment of employees' withholding tax liability (9.5)         (9.5)    
Share-based compensation 74.9         74.9    
Other comprehensive loss (income) (11.5)           (11.5)  
Net income (loss) 192.8             192.8
Ending balance (in shares) at Jun. 30, 2026   64.8   4.0        
Ending balance at Jun. 30, 2026 $ 4,801.7 $ 0.0   $ 0.1 $ 0.5 $ 4,331.6 $ (662.5) $ 1,132.0