Note 3 - Share-based Compensation

9 Months Ended

Sep. 30, 2020

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 September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Restricted share units:
Pretax compensation expense	$	11,250	$	10,309	$	38,358	$	30,942
Tax benefit		2,880		2,660		9,820		7,983
Restricted share unit expense, net of tax	$	8,370	$	7,649	$	28,538	$	22,959
Performance share units:
Pretax compensation expense	$	3,344	$	3,541	$	10,300	$	11,212
Tax benefit		856		914		2,637		2,893
Performance share unit expense, net of tax	$	2,488	$	2,627	$	7,663	$	8,319

As of September 30, 2020, we had $72.8 million and $17.3 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 3.1 years for restricted share units and 2.3 years for performance share units. During the nine months ended September 30, 2020, we issued 305,558 shares for vested restricted share units and 117,118 shares for vested performance share units. Of these totals, 214,206 shares for vested restricted share units and 72,248 shares for vested performance share units were issued during the third quarter 2020.