v3.25.2
Consolidated Statements of Stockholders' Equity - USD ($)
$ in Millions
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Treasury Stock
Retained Earnings
Beginning balance (in shares) at Dec. 31, 2023   73,700,000        
Beginning balance at Dec. 31, 2023 $ 5,984.8 $ 0.7 $ 2,549.0 $ (12.8) $ (2,579.2) $ 6,027.1
Net income 584.7         584.7
Other comprehensive income (loss), net of tax (2.1)     (2.1)    
Shares issued under employee stock purchase plan (ESPP) 3.9   3.9      
Restricted stock units (RSUs) withheld for taxes (11.5)   (11.5)      
Share repurchase (1,000.0)   (142.1)   (857.9)  
Excise tax on net share repurchase (6.4)       (6.4)  
Common stock issued for RSUs vested (in shares)   100,000        
Exercise of stock options (in shares)   700,000        
Exercise of stock options 94.3   94.3      
Share-based compensation 49.5   49.5      
Ending balance (in shares) at Jun. 30, 2024   74,500,000        
Ending balance at Jun. 30, 2024 5,697.2 $ 0.7 2,543.1 (14.9) (3,443.5) 6,611.8
Beginning balance (in shares) at Mar. 31, 2024   74,100,000        
Beginning balance at Mar. 31, 2024 5,338.1 $ 0.7 2,405.4 (15.6) (3,386.1) 6,333.7
Net income 278.1         278.1
Other comprehensive income (loss), net of tax 0.7     0.7    
Restricted stock units (RSUs) withheld for taxes (0.1)   (0.1)      
Share repurchase 0.0   57.9   (57.9)  
Excise tax on net share repurchase 0.5       0.5  
Exercise of stock options (in shares)   400,000        
Exercise of stock options 52.1   52.1      
Share-based compensation 27.8   27.8      
Ending balance (in shares) at Jun. 30, 2024   74,500,000        
Ending balance at Jun. 30, 2024 $ 5,697.2 $ 0.7 2,543.1 (14.9) (3,443.5) 6,611.8
Beginning balance (in shares) at Dec. 31, 2024 74,997,896 75,000,000.0        
Beginning balance at Dec. 31, 2024 $ 6,444.0 $ 0.8 2,698.9 (3.4) (3,474.5) 7,222.2
Net income 631.7         631.7
Other comprehensive income (loss), net of tax 3.4     3.4    
Shares issued under employee stock purchase plan (ESPP) 4.9   4.9      
Restricted stock units (RSUs) withheld for taxes (15.5)   (15.5)      
Common stock issued for RSUs vested (in shares)   100,000        
Exercise of stock options (in shares)   300,000        
Exercise of stock options 34.7   34.7      
Share-based compensation $ 70.4   70.4      
Ending balance (in shares) at Jun. 30, 2025 75,381,852 75,400,000        
Ending balance at Jun. 30, 2025 $ 7,173.6 $ 0.8 2,793.4 0.0 (3,474.5) 7,853.9
Beginning balance (in shares) at Mar. 31, 2025   75,200,000        
Beginning balance at Mar. 31, 2025 6,807.2 $ 0.8 2,737.7 (1.2) (3,474.5) 7,544.4
Net income 309.5         309.5
Other comprehensive income (loss), net of tax 1.2     1.2    
Restricted stock units (RSUs) withheld for taxes (0.2)   (0.2)      
Exercise of stock options (in shares)   200,000        
Exercise of stock options 18.1   18.1      
Share-based compensation $ 37.8   37.8      
Ending balance (in shares) at Jun. 30, 2025 75,381,852 75,400,000        
Ending balance at Jun. 30, 2025 $ 7,173.6 $ 0.8 $ 2,793.4 $ 0.0 $ (3,474.5) $ 7,853.9