v3.25.4
Employee Stock Plans (Tables)
12 Months Ended
Dec. 31, 2025
Employee Stock Plans  
Schedule of information relates to the stock option activity

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Weighted-

  ​ ​ ​

Weighted-

Average

Aggregate

Average

Remaining

Intrinsic

Exercise

Contractual

Value

Shares

Price

Life

(thousands)

Outstanding at December 31, 2024

 

249,545

$

76.75

 

 

Exercised

 

(47,394)

 

72.85

 

  ​

 

  ​

Outstanding at December 31, 2025

 

202,151

 

77.66

 

29 months

$

6,573

Exercisable at December 31, 2025

 

201,696

$

77.66

 

29 months

$

6,559

Schedule of grant date fair value of the rTSR-PSUs using a Monte-Carlo simulation model

  ​ ​ ​

2025

Expected term (in years)

 

2.88

Risk-free interest rate (percent) (a)

 

4.2

Historical volatility (percent) (b)

28.0

Fair value per rTSR-PSUs granted

 

131.5

(a)Based on zero-coupon U.S. treasury constant maturity yield curve, continuously compounded over the expected term of the awards.
(b)Based on the company’s historical volatility over a 2.88 year lookback period from the valuation date.
Schedule of information summarizes the changes in non-vested performance shares, performance units, restricted stock, and restricted stock units

  ​ ​ ​

  ​ ​ ​

Weighted-

Average Grant

Shares

Date Fair Value

Non-vested shares at December 31, 2024

 

840,699

$

119.83

Granted

 

410,843

 

108.61

Vested

 

(275,360)

 

121.02

Forfeited

 

(188,025)

 

118.74

Non-vested shares at December 31, 2025

 

788,157

$

113.82