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Earnings Per Share | 6 Months Ended
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Jun. 30, 2013
Earnings Per Share [Abstract] |
Earnings Per Share | 7. EARNINGS PER SHARE Basic earnings per common share are computed by dividing income allocated to common stockholders by the weighted-average number of common shares outstanding during each period. The computation of diluted earnings per common share considers the number of tax-effected shares issuable upon the assumed exercise of outstanding common stock options. The table below shows earnings per common share and diluted earnings per common share and reconciles the numerator and denominator of both earnings per common share calculations. The table below presents the reconciliation of earnings per share for the periods indicated:
|  | For the Three Months Ended June 30, |  |  | For the Six Months Ended June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
|  | (In thousands, except per share amounts) |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings |  | $ | 24,466 |  |  | $ | 23,619 |  |  | $ | 46,081 |  |  | $ | 45,887 |
Less: Net earnings allocated to restricted stock |  |  | 75 |  |  |  | 82 |  |  |  | 144 |  |  |  | 149 |
Net earnings allocated to common shareholders (numerator) |  | $ | 24,391 |  |  | $ | 23,537 |  |  | $ | 45,937 |  |  | $ | 45,738 |
Weighted average shares outstanding (denominator) |  |  | 104,641 |  |  |  | 104,378 |  |  |  | 104,603 |  |  |  | 104,341 |
Earnings per common share |  | $ | 0.23 |  |  | $ | 0.23 |  |  | $ | 0.44 |  |  | $ | 0.44 |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income allocated to common shareholders (numerator) |  | $ | 24,391 |  |  | $ | 23,537 |  |  | $ | 45,937 |  |  | $ | 45,738 |
Weighted average shares outstanding |  |  | 104,641 |  |  |  | 104,378 |  |  |  | 104,603 |  |  |  | 104,341 |
Incremental shares from assumed exercise of outstanding options |  |  | 273 |  |  |  | 240 |  |  |  | 257 |  |  |  | 221 |
Diluted weighted average shares outstanding (denominator) |  |  | 104,914 |  |  |  | 104,618 |  |  |  | 104,860 |  |  |  | 104,562 |
Diluted earnings per common share |  | $ | 0.23 |  |  | $ | 0.23 |  |  | $ | 0.44 |  |  | $ | 0.44 |

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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 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: 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 3: 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 4: 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=32703322&loc=d3e4984-109258 Reference 5: 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=26872669&loc=d3e20235-122688 + Details
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