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Stock-Based Compensation Plans (Tables)
3 Months Ended
Mar. 31, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Awards
A summary of the Company’s stock option activity for the three month period ended March 31, 2026 is presented in the following table (underlying shares in thousands).
SharesWeighted-Average Exercise Price (per share)
Stock options outstanding as of December 31, 20254,314 $49.83 
Granted604 93.94 
Exercised or settled(729)21.88 
Forfeited(21)82.13 
Expired(2)81.78 
Stock options outstanding as of March 31, 20264,166 60.94 
Vested as of March 31, 20262,493 44.80 
Schedule of Fair Value Assumptions
The following assumptions were used to estimate the fair value of options granted during the three month periods ended March 31, 2026 and 2025 using the Black-Scholes option-pricing model.
For the Three Month Period Ended March 31,
Assumptions20262025
Expected life of options (in years)
6.3
6.3 - 7.5
Risk-free interest rate
3.7%
4.1% - 4.2%
Assumed volatility
34.0%
34.2% - 34.3%
Expected dividend rate0.1 %0.1 %
The following assumptions were used to estimate the fair value of performance stock units granted during the three month periods ended March 31, 2026 and 2025 using the Monte Carlo simulation pricing model.
For the Three Month Period Ended March 31,
Assumptions20262025
Expected term (in years)
2.9
2.8
Risk-free interest rate
3.4%
4.0%
Assumed volatility
28.9%
28.6%
Expected dividend rate0.1 %0.1 %
Schedule of Restricted Stock Unit Activity A summary of the Company’s restricted stock unit activity for the three month period ended March 31, 2026 is presented in the following table (underlying shares in thousands).
SharesWeighted-Average Grant-Date Fair Value
Non-vested as of December 31, 2025892 $80.55 
Granted299 93.94 
Vested(268)75.54 
Forfeited(23)84.48 
Non-vested as of March 31, 2026900 86.39 
Schedule of Performance Stock Unit Activity
A summary of the Company’s performance stock unit activity for the three month period ended March 31, 2026 is presented in the following table (underlying shares in thousands).
SharesWeighted-Average Grant-Date Fair Value
Non-vested as of December 31, 20251,347 $54.67 
Granted182 114.87 
Change in units based on performance75.52 
Vested(129)75.52 
Non-vested as of March 31, 20261,408 60.67