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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Earnings Per Share [Abstract] |
Reconciliation of EPS |
2012 |  | Income |  | Shares |  | Per Share
($ in thousands, except per share amounts) |  | (Numerator) |  | (Denominator) |  | Amount
Basic EPS: |  |  |  |  |  |  |  |  |
Net income available to common stockholders |  | $ | 37,963 |  |  | 54,880 |  |  | $ | 0.69 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |
Stock compensation plans |  | — |  |  | 1,053 |  |  |  |
Diluted EPS: |  |  |  |  |  |  |  |  |
Net income available to common stockholders |  | $ | 37,963 |  |  | 55,933 |  |  | $ | 0.68 |
2011 |  | Income |  | Shares |  | Per Share
($ in thousands, except per share amounts) |  | (Numerator) |  | (Denominator) |  | Amount
Basic EPS: |  |  |  |  |  |  |  |  |
Net income from continuing operations |  | $ | 22,683 |  |  | 54,095 |  |  | $ | 0.42 |
Net loss on disposal of discontinued operations |  | (650 | ) |  | 54,095 |  |  | (0.01 | )
Net income available to common stockholders |  | $ | 22,033 |  |  | 54,095 |  |  | $ | 0.41 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |
Stock compensation plans |  | — |  |  | 1,126 |  |  |  |
Diluted EPS: |  |  |  |  |  |  |  |  |
Net income from continuing operations |  | $ | 22,683 |  |  | 55,221 |  |  | $ | 0.41 |
Net loss on disposal of discontinued operations |  | (650 | ) |  | 55,221 |  |  | (0.01 | )
Net income available to common stockholders |  | $ | 22,033 |  |  | 55,221 |  |  | $ | 0.40 |
2010 |  | Income |  | Shares |  | Per Share
($ in thousands, except per share amounts) |  | (Numerator) |  | (Denominator) |  | Amount
Basic EPS: |  |  |  |  |  |  |  |  |
Net income from continuing operations |  | $ | 70,746 |  |  | 53,359 |  |  | $ | 1.33 |
Net loss on disposal of discontinued operations |  | (3,780 | ) |  | 53,359 |  |  | (0.07 | )
Net income available to common stockholders |  | $ | 66,966 |  |  | 53,359 |  |  | $ | 1.26 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |
Stock compensation plans |  | — |  |  | 1,145 |  |  |  |
Diluted EPS: |  |  |  |  |  |  |  |  |
Net income from continuing operations |  | $ | 70,746 |  |  | 54,504 |  |  | $ | 1.30 |
Net loss on disposal of discontinued operations |  | (3,780 | ) |  | 54,504 |  |  | (0.07 | )
Net income available to common stockholders |  | $ | 66,966 |  |  | 54,504 |  |  | $ | 1.23 |

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- Definition Tabular disclosure of the reconciliation of basic net earnings per share (or unit) to diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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