v3.25.2
Stock-Based Compensation Plans (Tables)
6 Months Ended
Jun. 30, 2025
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Share-Based Payment Arrangement, Restricted Stock Unit, Activity
Restricted Stock Units Number of Restricted Stock UnitsWeighted Average Grant-Date Fair Value Per Share
Outstanding as of December 31, 2024
533,447 $407.15 
Granted95,225 471.73
Settled(14,839)526.31
Forfeited(530)530.46
Outstanding as of June 30, 2025
613,303 $414.18 
Schedule of Stock Based Compensation Expense
Stock-based compensation expense consists of the following:
(In millions)For the Three Months Ended 
June 30,
For the Six Months Ended 
June 30,
 2025202420252024
Restricted stock units$11.3 $2.4 $21.9 $5.1 
Stock options1.4 8.2 3.7 16.4 
Total$12.7 $10.6 $25.6 $21.5 
Schedule of Future Share-Based Compensation Cost Based on the stock-based awards that are currently outstanding, we expect to recognize future stock-based compensation expense as follows:
(in millions)
YearTotal Projected
Stock-Based Compensation Expense
Remainder of 2025$24.1 
202641.4 
202732.9 
202826.5 
202918.7 
Thereafter75.9 
Total$219.5