Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2023

Share-Based Payment Arrangement [Abstract]

Summary of Compensation Expense

The following table summarizes the compensation expense included in selling, general and administrative expenses in the Condensed Consolidated Statements of Earnings related to stock-based compensation plans:

	Three months ended				Six months ended
	June 30,		June 30,		June 30,		June 30,
	2023		2022		2023		2022
Service-based RSUs	$	765	$	691	$	1,535	$	1,368
Performance-based RSUs		723		820		1,357		2,041
Cash-settled RSUs		161		105		343		157
Total	$	1,649	$	1,616	$	3,235	$	3,566
Income tax benefit		379		372		744		820
Net expense	$	1,270	$	1,244	$	2,491	$	2,746

Summary of Unrecognized Compensation Expense related to Non-Vested RSUs

The following table summarizes the unrecognized compensation expense related to non-vested RSUs by type and the weighted-average period in which the expense is to be recognized:

	Unrecognized
	Compensation		Weighted-
	Expense at		Average
	June 30, 2023		Period (years)
Service-based RSUs	$	2,993		1.47
Performance-based RSUs		5,252		1.88
Total	$	8,245		1.73

Summary of Status of Plans

The following table summarizes the status of these plans as of June 30, 2023:

	2018 Plan		2014 Plan		2009 Plan		2004 Plan		Directors' Plan
Awards originally available		2,500,000		1,500,000		3,400,000		6,500,000	N/A
Maximum potential awards outstanding		787,638		35,100		30,000		14,545		4,722
RSUs and cash-settled awards vested and released		441,812		—		—		—		—
Awards available for grant		1,270,550		—		—		—		—

Summary of Service-Based Restricted Stock Units

The following table summarizes the service-based RSU activity for the six months ended June 30, 2023:

	Units			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022		282,124		$	27.44
Granted		64,046			43.77
Vested and released		(68,848	)		32.30
Forfeited		(7,540	)		36.97
Outstanding at June 30, 2023		269,782		$	29.81
Releasable at June 30, 2023		131,867		$	20.30

Summary of Performance and Market Based RSUs

The following table summarizes the performance and market-based RSU activity for the six months ended June 30, 2023:

	Units			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022		260,306		$	33.20
Granted		71,832			43.80
Attained by performance		53,035			32.11
Released		(113,385	)		32.11
Forfeited		(10,429	)		37.59
Outstanding at June 30, 2023		261,359		$	36.19
Releasable at June 30, 2023		—		$	—