​

​

Three Months Ended September 30, 

​

Nine Months Ended September 30, 

​

  ​ ​ ​

2026

2025

2026

2025

Numerator:

​

​

​

  ​

​

  ​

​

  ​

Net income

​

$

144,346

​

$

122,628

​

$

439,247

​

$

384,511

Denominator (shares in 000's):

​

​

​

​

​

​

​

​

Basic weighted average shares outstanding

​

54,408

​

55,097

​

54,630

​

55,567

Effect of dilutive securities - Stock options and awards

​

465

​

477

​

468

​

453

Diluted weighted average shares outstanding

​

54,873

​

55,574

​

55,098

​

56,020

Basic earnings per share

​

$

2.65

​

$

2.23

​

$

8.04

​

$

6.92

Diluted earnings per share

​

$

2.63

​

$

2.21

​

$

7.97

​

$

6.86