Note 3 - Share-based Compensation

9 Months Ended

Sep. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Disclosure of Compensation Related Costs, Share-based Payments [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,
	2013		2012		2013		2012
Restricted share units:
Pretax compensation expense	$	4,467	$	4,628	$	18,764	$	18,272
Tax benefit		1,709		1,770		7,153		6,989
Restricted share unit expense, net of tax	$	2,758	$	2,858	$	11,611	$	11,283
Performance share units:
Pretax compensation expense	$	1,001	$	698	$	4,161	$	2,947
Tax benefit		383		267		1,586		1,127
Performance share unit expense, net of tax	$	618	$	431	$	2,575	$	1,820
Stock options:
Pretax compensation expense	$	156	$	264	$	677	$	760
Tax benefit		60		101		258		291
Stock option expense, net of tax	$	96	$	163	$	419	$	469

As of September 30, 2013, we had $34.1 million, $6.8 million, and $0.2 million of total unrecognized compensation expense related to restricted share units, performance share units, and stock options, respectively, that is to be recognized over the remaining weighted-average period of approximately 3.2 years for restricted share units, 2.7 years for performance share units, and 0.8 years for stock options. During the nine months ended September 30, 2013, we issued 865,147 shares for vested restricted share units, 61,975 shares for vested performance share units, and 525,788 shares as a result of stock option exercises. Of these totals, 833,801 shares for vested restricted share units, 61,975 shares for performance share units, and 111,300 shares resulting from stock option exercises were issued during the third quarter 2013.