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EARNINGS PER SHARE | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARE Basic and diluted earnings per common share were calculated as follows (in thousands, except per share amounts):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Basic weighted average number of shares outstanding | 38,266 |  |  | 40,647 |  |  | 38,136 |  |  | 40,568 |
Effect of dilutive securities: |  |  |  |  |  |  |
Unvested restricted stock | 623 |  |  | 517 |  |  | 653 |  |  | 625 |
Diluted average shares outstanding | 38,889 |  |  | 41,164 |  |  | 38,789 |  |  | 41,193 |
Net earnings | $ | 50,828 |  |  | $ | 53,838 |  |  | $ | 76,240 |  |  | $ | 97,712 |
Basic earnings per share | $ | 1.33 |  |  | $ | 1.32 |  |  | $ | 2.00 |  |  | $ | 2.41 |
Diluted earnings per share | $ | 1.31 |  |  | $ | 1.31 |  |  | $ | 1.97 |  |  | $ | 2.37 |
Antidilutive stock not included in the calculation of diluted earnings per share | 1 |  |  | 1 |  |  | — |  |  | 1 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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