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Equity and Earnings Per Share Reconciliation | 12 Months Ended
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Dec. 31, 2012
Equity and Earnings Per Share Reconciliation | 18. EQUITY AND EARNINGS PER SHARE RECONCILIATION Earnings Per Common Share Reconciliation 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.
|  | For the Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (In thousands, except per share amounts) |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |
Net earnings |  | $ | 77,280 |  |  | $ | 81,733 |  |  | $ | 62,935 |
Less: Net earnings allocated to restricted stock |  |  | 247 |  |  |  | 292 |  |  |  | 217 |
Net earnings allocated to common shareholders (numerator) |  | $ | 77,033 |  |  | $ | 81,441 |  |  | $ | 62,718 |
Weighted average shares outstanding (denominator) |  |  | 104,419 |  |  |  | 105,143 |  |  |  | 105,880 |
Earnings per common share |  | $ | 0.74 |  |  | $ | 0.77 |  |  | $ | 0.59 |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |
Net income allocated to common shareholders (numerator) |  | $ | 77,033 |  |  | $ | 81,441 |  |  | $ | 62,718 |
Weighted average shares outstanding |  |  | 104,419 |  |  |  | 105,143 |  |  |  | 105,880 |
Incremental shares from assumed exercise of outstanding options |  |  | 239 |  |  |  | 80 |  |  |  | 246 |
Diluted weighted average shares outstanding (denominator) |  |  | 104,658 |  |  |  | 105,223 |  |  |  | 106,126 |
Diluted earnings per common share |  | $ | 0.74 |  |  | $ | 0.77 |  |  | $ | 0.59 |

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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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