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Earnings Per Common Share Computations | 6 Months Ended
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Jun. 30, 2013
Earnings Per Share [Abstract] |
Earnings Per Common Share Computations | NOTE 8 — EARNINGS PER COMMON SHARE COMPUTATIONS The following is a reconciliation of the numerator and denominator of the earnings per common share computations (in thousands, except per share data):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Numerator for basic earnings from continuing operations per common share |  |  |  |  |  |  |
Earnings from continuing operations | $ | 50,298 |  |  | $ | 48,576 |  |  | $ | 51,357 |  |  | $ | 49,930 |
Earnings from continuing operations allocated to participating securities | (1,170 | ) |  | (722 | ) |  | (1,197 | ) |  | (743 | )
Numerator for basic earnings from continuing operations per common share | $ | 49,128 |  |  | $ | 47,854 |  |  | $ | 50,160 |  |  | $ | 49,187 |
Numerator for basic earnings per common share |  |  |  |  |  |  |
Net earnings | $ | 50,298 |  |  | $ | 48,576 |  |  | $ | 51,356 |  |  | $ | 49,929 |
Net earnings allocated to participating securities | (1,170 | ) |  | (723 | ) |  | (1,197 | ) |  | (743 | )
Numerator for basic net earnings per common share | $ | 49,128 |  |  | $ | 47,853 |  |  | $ | 50,159 |  |  | $ | 49,186 |
Numerator for diluted earnings from continuing operations per common share | $ | 50,298 |  |  | $ | 48,576 |  |  | $ | 51,357 |  |  | $ | 49,930 |
Numerator for diluted earnings per common share | $ | 50,298 |  |  | $ | 48,576 |  |  | $ | 51,356 |  |  | $ | 49,929 |
Denominator for net earnings per common share: |  |  |  |  |  |  |
Basic | 17,268 |  |  | 16,978 |  |  | 17,239 |  |  | 16,940 |
Plus dilutive effect of stock options | 242 |  |  | 268 |  |  | 232 |  |  | 247 |
Plus dilutive effect of participating securities | 411 |  |  | 256 |  |  | 411 |  |  | 256 |
Diluted | 17,921 |  |  | 17,502 |  |  | 17,882 |  |  | 17,443 |
Net earnings per common share: |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |
Earnings from continuing operations and net earnings | $ | 2.85 |  |  | $ | 2.82 |  |  | $ | 2.91 |  |  | $ | 2.90 |
Diluted |  |  |  |  |  |  |
Earnings from continuing operations and net earnings | $ | 2.81 |  |  | $ | 2.77 |  |  | $ | 2.87 |  |  | $ | 2.86 |

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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 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 3: 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 Reference 4: 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 5: 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 6: 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 + Details
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