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Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2023

Stock-Based Compensation Plans [Abstract]

Schedule Of Comparative Date For Performance Stock Units

		2023 Awards			2022 Awards			2021 Awards
TSR Awards
Shares of stock granted - target		8,107			7,983			6,277
Per-share fair value	$	633.32		$	595.70		$	599.04
Volatility		25.5	%		30.4	%		30.2	%
Risk-free interest rate		4.3	%		1.7	%		0.2	%
EPS Awards
Shares of stock granted - target		8,107			7,983			6,277
Per-share fair value	$	515.12		$	459.77		$	491.34
Common Assumptions
Service period (years)		2.9			2.9			2.9
Three-year measurement period ends December 31,		2025			2024			2023

Schedule Of Total Stock Option, Stock Award And PSU Activity

	Stock Options										Stock Awards					Performance Units (PSUs)
														Weighted
				Weighted Average					Aggregate					Average					Weighted
						Remaining			Intrinsic					Grant-Date		Number of			Average
	Number of			Exercise		Contractual			Value		Number of			Per-Share		Target			Grant-Date
	Options			Price		Life (Years)			(thousands)		Awards			Fair Value		Units			Price
Outstanding at December 31, 2022	1,181,154		$	432.75							-		$	-		37,490		$	543.11
Granted	315,555			509.46							2,646			545.69		21,802			557.23
Exercised/Vested	(370,105)			406.45							(2,646)			545.69		(15,138)			544.36
Canceled/ Forfeited	(9,381)			455.42							-			-		-			-
Outstanding at December 31, 2023	1,117,223		$	462.94		3.3		$	134,531		-		$	-		44,154		$	549.65
Vested and expected to vest
at December 31, 2023	1,117,223		$	462.94		3.3		$	134,531		-		$	-		49,231	*	$	546.47
Exercisable at December 31, 2023	494,064			437.24		2.2			72,191		n.a.			n.a.		n.a.			n.a.
* Amount includes 9,918 share units which vested and were converted to shares of stock and distributed in the first quarter of 2024.

Schedule Of Comparative Data For Stocks Option, Stock Awards And PSUs

		Years Ended December 31,
		2023			2022			2021
Total compensation expense of stock-based compensation
plans charged against income	$	40,793		$	33,613		$	31,420
Total income tax benefit recognized in income for stock
based compensation expense charged against income		9,709			8,487			7,918
Total intrinsic value of stock options exercised		54,681			53,339			62,038
Total intrinsic value of stock awards vested during the period		1,444			1,170			1,173
Per-share weighted average grant-date fair value of
stock awards granted		545.69			496.25			482.66

Schedule Of Valuation Assumptions

		2023			2022			2021
Stock price on date of issuance	$	509.46		$	462.04		$	445.35
Grant date fair value per option	$	111.24		$	104.69		$	96.91
Number of options granted		315,555			312,598			326,806
Expected term (years)		3.5			3.5			3.5
Risk free rate of return		4.99	%		4.39	%		0.87	%
Volatility		19.24	%		22.29	%		28.81	%
Dividend yield		0.3	%		0.3	%		0.3	%
Forfeiture rate		-			-			-

Schedule Of Other Data For Stock Options, Stock Awards And PSUs

		Stock			Stock
		Options			Awards			PSUs
Total unrecognized compensation at the end of the year	$	60,819		$	-		$	10,125
Weighted average period over which unrecognized compensation to be recognized (years)		2.2			-			1.6
Actual income tax benefit realized	$	12,139		$	321		$	1,478
Aggregate intrinsic value vested and expected to vest	$	134,531		$	-		$	28,719

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