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Earnings Per Share and Capital Structure (Text Block) | 3 Months Ended
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Mar. 31, 2013
Earnings Per Share [Abstract] |
Earnings Per Share and Capital Structure [Text Block] | Earnings Per Share and Capital Structure The following table sets forth the computation of basic and diluted earnings per share (EPS):
| Three Months Ended March 31,
| 2013 |  | 2012
| (in thousands, except per share data)
Net income available to common shareholders | $ | 2,570 |  |  | $ | 25,353 |
Weighted average common shares outstanding - Basic | 39,420 |  |  | 39,913 |
Dilutive effect of stock-based awards | 350 |  |  | 303 |
Weighted average common shares outstanding - Diluted | 39,770 |  |  | 40,216 |
Earnings per common share - Basic | $ | 0.07 |  |  | $ | 0.64 |
Earnings per common share - Diluted | $ | 0.06 |  |  | $ | 0.63 |
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. Approximately 1.2 million stock-based awards were excluded from the calculation of diluted EPS for each of the three months ended March 31, 2013 and 2012, 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 would 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 March 31, 2013 and December 31, 2012. Stock Repurchase Plan On March 8, 2013, the Board authorized a twelve-month repurchase program of up to $50 million of our common stock. As of March 31, 2013, we have repurchase d 4,490 shares of our com mon stock, totaling $200,000, with $49.8 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. Refer to Part II, Item 2: "Unregistered Sales of Equity Securities and Use of Proceeds" for additional information related to our share repurchase program.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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