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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Compensation

Schedule of stock option activity

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	​									​
​	​	​				​	​				​
​	​	​	​	​		​	Weighted	​	​		​
​	​	​	​	Weighted		​	Average	​	Aggregate		​
​	​	​	​	Average		​	Remaining	​	Intrinsic		​
​		Shares		Price			(Yrs.)		(000’s)
Outstanding at January 1, 2024	​	107,592	​	$	72.60	​	​	​	​	​	​
Exercised	​	(6,320)	​		6,171	​	​	​		​	​
Expired	​	(29)	​	​	39.12	​	​	​		​	​
Outstanding at March 31, 2024	​	101,243	​		73.29	​	2.56	​	$	1,536	​
Exercisable at March 31, 2024	​	101,243	​	​	73.29	​	2.56	​	$	1,536	​

Summary of nonvested restricted stock

​

​	​	​	​	​	​	​
​		​		Weighted-
​	​	​	​	Average
​	​	​	​	Grant-Date
Restricted Stock	​	Shares	​	Fair Value
Nonvested at January 1, 2024		16,248	​	$	88.63	​
Vested		(10,115)	​		90.00	​
Forfeited		(64)	​		90.00	​
Nonvested at March 31, 2024		6,069	​	$	86.32	​

Summary of nonvested RSUs

​

​	​	​	​	​	​	​
​		​		Weighted-
​	​	​	​	Average
​	​	​	​	Grant-Date
Restricted Stock Units	​	Shares	​	Fair Value
Outstanding at January 1, 2024		873,048	​	$	75.22	​
Granted		353,490	​		80.87	​
Vested	​	(344,376)	​	​	77.67	​
Forfeited	​	(5,210)	​	​	75.44	​
Outstanding at March 31, 2024		876,952	​	$	76.53	​

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Tabular disclosure of the changes in outstanding nonvested shares.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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