Note 3 - Share-based Compensation

6 Months Ended

Jun. 30, 2014

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 June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Restricted share units:
Pretax compensation expense	$	6,671	$	7,094	$	14,430	$	14,297
Tax benefit		2,542		2,699		5,498		5,440
Restricted share unit expense, net of tax	$	4,129	$	4,395	$	8,932	$	8,857
Performance share units:
Pretax compensation expense	$	2,139	$	1,588	$	4,254	$	3,159
Tax benefit		815		604		1,621		1,202
Performance share unit expense, net of tax	$	1,324	$	984	$	2,633	$	1,957
Stock options:
Pretax compensation expense	$	33	$	158	$	130	$	521
Tax benefit		13		60		50		198
Stock option expense, net of tax	$	20	$	98	$	80	$	323

As of June 30, 2014, we had $41.6 million and $12.3 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 3.9 years for restricted share units and 3.0 years for performance share units. During the six months ended June 30, 2014, we issued 29,935 shares for vested restricted share units and 280,000 shares as a result of stock option exercises. Of these totals, 26,817 shares for vested restricted share units and 263,300 shares resulting from stock option exercises were issued during the second quarter 2014.