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Earnings Per Share and Capital Structure (Text Block)
 12 Months Ended
Dec. 31, 2013
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]
Earnings (Loss) Per Share and Capital Structure

The following table sets forth the computation of basic and diluted earnings (loss) per share (EPS):

 
Year Ended December 31,
 
2013
 
2012
 
2011
 
(in thousands, except per share data)
Net income (loss) available to common shareholders
$
(146,809
)
 
$
108,275

 
$
(510,157
)
 
 
 
 
 
 
Weighted average common shares outstanding - Basic
39,281

 
39,625

 
40,612

Dilutive effect of stock-based awards
—

 
309

 
—

Weighted average common shares outstanding - Diluted
39,281

 
39,934

 
40,612

Earnings (loss) per common share - Basic
$
(3.74
)
 
$
2.73

 
$
(12.56
)
Earnings (loss) per common share - Diluted
$
(3.74
)
 
$
2.71

 
$
(12.56
)


Stock-based Awards
For stock-based awards, the dilutive effect is calculated using the treasury stock method. Under this method, the dilutive effect is computed as if the awards were exercised at the beginning of the period (or at time of issuance, if later) and assumes the related proceeds were used to repurchase common stock at the average market price during the period. Related proceeds include the amount the employee must pay upon exercise, future compensation cost associated with the stock award, and the amount of excess tax benefits, if any. As a result of our net losses for 2013 and 2011, there was no dilutive effect to the weighted average common shares outstanding for these years. Approximately 1.4 million, 1.1 million, and 1.3 million stock-based awards were excluded from the calculation of diluted EPS for the years ended December 31, 2013, 2012, and 2011, respectively, because they were anti-dilutive. These stock-based awards could be dilutive in future periods.

Preferred Stock
We have authorized the issuance of 10 million shares of preferred stock with no par value. In the event of a liquidation, dissolution, or winding up of the affairs of the corporation, whether voluntary or involuntary, the holders of any outstanding preferred stock will be entitled to be paid a preferential amount per share to be determined by the Board of Directors prior to any payment to holders of common stock. There was no preferred stock issued or outstanding at December 31, 2013, 2012, and 2011.

Stock Repurchase Plan
On March 8, 2013, the Board authorized a twelve-month repurchase program of up to $50 million in shares of our common stock. From March 8, 2013 through December 31, 2013, we have repurchased approximately 645,000 shares of our common stock, totaling $27.0 million, with $23.0 million remaining under the repurchase program. Repurchases are made in the open market or in privately negotiated transactions and in accordance with applicable securities laws.