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Note 3 - Share-based Compensation

9 Months Ended

Sep. 30, 2019

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,
	2019		2018		2019		2018
Restricted share units:
Pretax compensation expense	$	10,309	$	7,626	$	30,942	$	26,061
Tax benefit		2,660		1,983		7,983		6,776
Restricted share unit expense, net of tax	$	7,649	$	5,643	$	22,959	$	19,285
Performance share units:
Pretax compensation expense	$	3,541	$	3,557	$	11,212	$	11,123
Tax benefit		914		925		2,893		2,892
Performance share unit expense, net of tax	$	2,627	$	2,632	$	8,319	$	8,231

As of September 30, 2019, we had $68.5 million and $16.5 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 3.3 years for restricted share units and 2.2 years for performance share units. During the nine months ended September 30, 2019, we issued 225,625 shares for vested restricted share units, 127,140 shares for vested performance share units. Of these totals, 225,455 shares for vested restricted share units and 75,699 shares for vested performance share units were issued during the third quarter 2019.