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Earnings Per Share | 12 Months Ended
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Dec. 31, 2012
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings per Share The following table provides a reconciliation of the numerators and denominators of basic and diluted earnings per share ("EPS") of net income:
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 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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