Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2024

Schedule of nonvested restricted stock and deferred shares activity and related information

	Years Ended December 31,
	2024			2023			2022
		Weighted			Weighted			Weighted
		Average			Average			Average
		Grant Date			Grant Date			Grant Date
	Shares	Fair Value		Shares	Fair Value		Shares	Fair Value
	(Shares in thousands)
Unvested at beginning of year	93	$	149.96	121	$	121.39	138	$	97.43
Granted	44		202.03	51		167.39	64		143.86
Vested	(47)		144.02	(76)		112.65	(78)		94.33
Cancelled/Forfeitures	(4)		169.90	(3)		139.46	(3)		120.31
Unvested at end of year	86	$	179.08	93	$	149.96	121	$	121.39

Schedule of the Company's RSU activity and related information

	Years Ended December 31,
	2024					2023			2022
		Weighted			Weighted		Weighted			Weighted
		Average			Average		Average			Average
		Purchase			Intrinsic		Purchase			Purchase
	RSUs	Price			Value	RSUs	Price		RSUs	Price
	(RSUs in thousands)
Outstanding at beginning of year	77	$	114.93			77	$	94.78	85	$	75.34
Granted	20		163.23			26		130.27	29		115.14
Settled	(23)		97.80			(25)		66.94	(35)		64.15
Cancelled/Forfeitures	(2)		139.60			(1)		124.04	(2)		92.09
Outstanding at end of year	72	$	133.34	$	69.96	77	$	114.93	77	$	94.78
Vested at end of year	25	$	119.73	$	83.57	23	$	104.17	24	$	77.69

Schedule of stock-based compensation fair value assumptions

	2024		2023
Expected life (years)	3.0		3.0
Expected stock price volatility	28.9	%	33.7	%
Expected dividend yield	0.80	%	0.80	%
Risk-free interest rate	4.5	%	4.1	%

Performance stock units

Schedule of unvested performance shares activity and related information

	Years Ended December 31,
	2024			2023			2022
		Weighted			Weighted			Weighted
		Average			Average			Average
		Grant Date			Grant Date			Grant Date
	Shares	Fair Value		Shares	Fair Value		Shares	Fair Value
	(Shares in thousands)
Unvested at beginning of year	113	$	142.53	146	$	107.29	178	$	88.32
Granted	79		162.23	99		106.37	108		102.98
Vested	(80)		122.88	(125)		73.62	(136)		78.82
Cancelled/Forfeitures	(6)		174.85	(7)		132.14	(4)		110.43
Unvested at end of year	106	$	170.42	113	$	142.53	146	$	107.29

Restricted stock and deferred shares

Schedule of information about RSUs outstanding

The following table summarizes information about RSUs outstanding at December 31, 2024:

	RSUs Outstanding			RSUs Vested
		Weighted Average			Weighted Average
	Number	Purchase		Number	Purchase
Range of Purchase Prices	Outstanding	Price		Vested	Price
	(RSUs in thousands)
$97.28-$115.14	28	$	115.14	17	$	115.14
$115.15-$130.27	25		130.27	8		130.27
$130.28-$163.23	19		163.23	—		—
	72	$	133.34	25	$	119.73