Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Compensation Expense

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

	Years Ended December 31,
	2020		2019		2018
Service-Based RSUs	$	2,601	$	2,207	$	2,036
Performance-Based RSUs		539		2,553		3,089
Cash-settled awards		277		255		131
Total	$	3,417	$	5,015	$	5,256
Income tax benefit		786		1,133		1,188
Net	$	2,631	$	3,882	$	4,068

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 expense at December 31, 2020		Weighted- average period
Service-Based RSUs	$	2,039	1.27 years
Performance-Based RSUs		1,893	1.76 years
Total	$	3,932	1.50 years

Summary of Status of Plans

The following table summarizes the status of these plans as of December 31, 2020:

	2018 Plan		2014 Plan		2009 Plan		2004 Plan		Directors' Plan
Awards originally available to be granted		2,500,000		1,500,000		3,400,000		6,500,000	N/A
Performance stock options outstanding		—		—		—		—		—
Maximum potential RSU and cash settled    awards outstanding		503,481		178,900		92,600		35,952		5,522
Maximum potential awards outstanding		503,481		178,900		92,600		35,952		5,522
RSUs and cash settled awards vested and    released		45,539		—		—		—		—
Awards available to be granted		1,950,980		—		—		—		—

Summary of RSU Activity

A summary of RSU activity for the year ended December 31, 2020 is presented below:

	Units		Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at January 1, 2020		364,396	$	19.87
Granted		120,546		27.94
Released		(100,830)		22.90
Forfeited		(16,684)		28.75
Outstanding at December 31, 2020		367,428	$	21.28		19.69	$	12,614
Releasable at December 31, 2020		203,574	$	15.77		30.66	$	6,989

Schedule of Weighted Average Grant Date Fair Value and Intrinsic Value of RSU's

	Years Ended December 31,
	2020		2019		2018
Weighted-average grant date fair value	$	27.94	$	28.61	$	26.95
Intrinsic value of RSUs released	$	2,503	$	2,155	$	4,015

Summary of Non-vested RSU Activity

A summary of non-vested RSU activity for the year ended December 31, 2020 is presented below:

	RSUs		Weighted Average Grant Date Fair Value
Nonvested at January 1, 2020		136,922	$	27.66
Granted		120,546		27.94
Vested		(76,930)		26.86
Forfeited		(16,684)		28.75
Nonvested at December 31, 2020		163,854	$	28.13

Schedule of Performance-Based RSUs

A summary of PSU activity for the year ended December 31, 2020 is presented below:

	Units		Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at January 1, 2020		217,229	$	27.73
Granted		126,521		28.37
Added by performance factor		38,820		23.84
Released		(111,838)		23.74
Forfeited		(45,173)		28.69
Outstanding at December 31, 2020		225,559	$	29.07		1.90	$	7,743
Releasable at December 31, 2020		—	$	—			$	—

Schedule of Performance Awards Outstanding

The following table summarizes each grant of performance awards outstanding at December 31, 2020:

Description	Grant Date	Vesting Year	Vesting Dependency	Target Units Outstanding		Maximum Number of Units to be Granted
2018 - 2020 Performance RSUs	February 8, 2018	2020	35% RTSR, 35% sales growth, 30% operating cash flow		22,082		44,164
2018 - 2020 Performance RSUs	February 16, 2018	2020	35% RTSR, 35% sales growth, 30% operating cash flow		31,820		63,640
2019-2021 Performance RSUs	February 7, 2019	2021	35% RTSR, 35% sales growth, 30% operating cash flow		50,456		100,912
2019 Supplemental Performance RSUs	February 7, 2019	2021	Succession Planning Targets		6,945		13,890
2020 - 2020 QTI Performance RSUs	September 24, 2019	2022	50% EBITDA growth, 50% Sales growth		1,750		3,500
2020 - 2022 Performance RSUs	February 6, 2020	2022	25% RTSR, 40% sales growth, 35% operating cash flow		63,006		126,012
Focus 2025 Performance RSUs	April 23, 2020	2024	Cumulative revenues of $750 million over a trailing four-quarter period		49,500		49,500
Total					225,559		401,618