Note 3 - Share-based Compensation

6 Months Ended

Jun. 30, 2023

Notes to Financial Statements

Share-Based Payment Arrangement [Text Block]

3. Share-based Compensation

The following table summarizes the components of our share-based compensation program expense (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Restricted share units:
Pretax compensation expense	$	14,731	$	14,920	$	27,454	$	27,895
Tax benefit		3,799		3,730		7,080		6,974
Restricted share unit expense, net of tax	$	10,932	$	11,190	$	20,374	$	20,921
Performance share units:
Pretax compensation expense	$	5,866	$	5,523	$	12,391	$	11,689
Tax benefit		1,513		1,381		3,196		2,922
Performance share unit expense, net of tax	$	4,353	$	4,142	$	9,195	$	8,767

As of June 30, 2023, we had $84.3 million and $39.1 million of total unrecognized compensation expense related to restricted share units and performance share units, respectively, that is to be recognized over the remaining weighted average period of approximately 2.6 years for restricted share units and 2.4 years for performance share units. During the six months ended June 30, 2023, we issued 18,657 shares for vested restricted share units and 138,881 shares for vested performance share units. Of this total, 5,498 shares for vested restricted share units and zero shares for vested performance share units were issued during the second quarter 2023.