Earnings Per Share

6 Months Ended

Jun. 30, 2012

Earnings per share of common stock [Abstract]

Earnings Per Share Text Block

3.Earnings Per Share

Basic earnings per share are computed using the weighted-average number of common shares outstanding for each period presented.  Diluted earnings per share are computed using the weighted-average number of common shares outstanding plus the potential effects of the assumed exercise of stock options, and payment of estimated stock awards from other stock-based compensation plans that are outstanding, at the end of each period presented.  Diluted earnings per share are calculated as follows:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
Thousands, except per share amounts			2012		2011		2012		2011
Net income		$	1,409	$	2,193	$	42,016	$	42,966
Average common shares outstanding - basic			26,812		26,673		26,797		26,671
	Additional shares for stock-based compensation
	plans outstanding (See Note 6)		84		54		82		54
Average common shares outstanding - diluted			26,896		26,727		26,879		26,725
Earnings per share of common stock - basic		$	0.05	$	0.08	$	1.57	$	1.61
Earnings per share of common stock - diluted		$	0.05	$	0.08	$	1.56	$	1.61
Antidilutive shares			1,180		8,946		943		3,883