Note 3 - Share-based Compensation

3 Months Ended

Mar. 31, 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 March 31,
	2023		2022
Restricted share units:
Pretax compensation expense	$	12,722	$	12,975
Tax benefit		3,252		3,250
Restricted share unit expense, net of tax	$	9,470	$	9,725
Performance share units:
Pretax compensation expense	$	6,526	$	6,166
Tax benefit		1,668		1,545
Performance share unit expense, net of tax	$	4,858	$	4,621

As of March 31, 2023, we had $99.7 million and $45.0 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 2.7 years for restricted share units and 2.5 years for performance share units. During the three months ended March 31, 2023, we issued 13,159 shares for vested restricted share units and 138,881 shares for vested performance share units.