SHARE-BASED COMPENSATION AND BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2023

Share-Based Compensation and Benefit Plans

Summary of shares authorized and available for future issuance under compensation and benefit plans

	December 31, 2023
	Total Shares Authorized for	Shares Available for Future
Plans	Issuance under the Plans	Issuance under the Plans
Incentive Plans	35,650	5,492
Employee Stock Purchase Plan	4,250	412
Profit Sharing and Savings Plan	4,200	349

Employee Stock Option [Member]

Share-Based Compensation and Benefit Plans

Summary of stock options

				Average		Aggregate
	Shares	Weighted- Average		Remaining		Intrinsic Value
	(in thousands)	Exercise Price		Contractual Terms		(in thousands)
Outstanding at December 31, 2022	1,069	$	356.76
Granted	94		861.57
Exercised	(260)		273.94
Forfeited or expired	(19)		652.81
Outstanding at December 31, 2023	884	$	428.50	5.3	Years	$	461,145
Vested or expected to vest at December 31, 2023	853	$	414.37	5.2	Years	$	456,945
Exercisable at December 31, 2023	627	$	330.25	4.2	Years	$	388,517

Black-Scholes option pricing model

	December 31,
	2023		2022		2021
Risk free interest rate	3.96	%	2.09	%	0.82	%
Expected life	6.3	Years	6.3	Years	5.9	Years
Expected volatility	29.0	%	28.9	%	30.0	%
Expected dividend yield	—	%	—	%	—	%

Summary of activity of share-based compensation and benefit plans

	For the Year Ended
	December 31,
	2023		2022		2021
Compensation expense for stock options awarded (in thousands)	$	22,090	$	21,412	$	20,035
Income tax benefit from compensation expense related to stock options (in thousands)		5,477		5,332		4,989
Total intrinsic value of stock options exercised (in thousands)		170,521		123,911		163,722
Cash received from exercise of stock options (in thousands)		71,153		60,976		67,761
Weighted-average grant-date fair value of options awarded	$	323.16	$	221.19	$	146.57
Weighted-average remaining contractual life of exercisable options (in years)		5.3		4.5		4.7

Restricted stock [Member]

Share-Based Compensation and Benefit Plans

Summary of activity of share-based compensation and benefit plans

	For the Year Ended
	December 31,
	2023		2022		2021
Compensation expense for restricted shares awarded	$	1,869	$	1,808	$	1,602
Income tax benefit from compensation expense related to restricted shares	$	463	$	450	$	399
Total fair value of restricted shares at vest date	$	2,693	$	2,595	$	2,815
Shares awarded under the plans		2		3		3
Weighted-average grant-date fair value of shares awarded under the plans	$	888.60	$	645.31	$	509.24

Summary of restricted stock

		Weighted-Average Grant-Date
	Shares	Fair Value
Non-vested at December 31, 2022	4	$	572.54
Granted during the period	2		888.60
Vested during the period (1)	(3)		571.45
Forfeited during the period	—		—
Non-vested at December 31, 2023	3	$	772.45

(1) Includes less than one thousand shares withheld to cover employees’ taxes upon vesting.

Employee stock purchase plan [Member]

Share-Based Compensation and Benefit Plans

Summary of ESPP plan activity

	For the Year Ended
	December 31,
	2023		2022		2021
Compensation expense for shares issued under the ESPP	$	3,552	$	3,238	$	3,019
Income tax benefit from compensation expense related to shares issued under the ESPP	$	881	$	806	$	752
Shares issued under the ESPP		26		31		36
Weighted-average price of shares issued under the ESPP	$	766.11	$	592.22	$	473.22