Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

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,
	2022		2021		2022		2021
Service-based RSUs	$	691	$	738	$	1,368	$	1,425
Performance-based RSUs		820		1,066		2,041		1,559
Cash-settled RSUs		105		99		157		138
Total	$	1,616	$	1,903	$	3,566	$	3,122
Income tax benefit		372		438		820		718
Net expense	$	1,244	$	1,465	$	2,746	$	2,404

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, 2022		Period (years)
Service-based RSUs	$	2,711		1.44
Performance-based RSUs		5,117		1.89
Total	$	7,828		1.73

Summary of Status of Plans

The following table summarizes the status of these plans as of June 30, 2022:

	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		716,826		35,100		45,200		14,545		4,722
RSUs and cash settled awards vested and released		117,828		—		—		—		—
Awards available for grant		1,665,346		—		—		—		—

Summary of Service-Based Restricted Stock Units

The following table summarizes the service-based RSU activity for the three months ended June 30, 2022:

	Units			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2021		283,216		$	24.91
Granted		68,124			33.70
Vested and released		(58,144	)		29.96
Forfeited		(7,838	)		30.35
Outstanding at June 30, 2022		285,358		$	25.83
Releasable at June 30, 2022		132,834		$	17.55

Summary of Performance and Market Based RSUs

The following table summarizes the performance and market-based RSU activity for the three months ended June 30, 2022:

	Units			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2021		237,767		$	31.35
Granted		81,702			37.15
Attained by performance		5,136			29.50
Released		(51,848	)		30.64
Forfeited		(14,351	)		32.62
Outstanding at June 30, 2022		258,406		$	33.20
Releasable at June 30, 2022		—		$	—