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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 The following are computations of basic and diluted earnings per share (in thousands except for per share amounts):
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Numerator for basic and diluted earnings per share: |  |  |  |  |  |  |
Net income | $ | 36,244 |  |  | $ | 30,747 |  |  | $ | 37,220 |  |  | $ | 18,116 |
Denominator: |  |  |  |  |  |  |
Basic shares outstanding | 55,875 |  |  | 56,410 |  |  | 55,861 |  |  | 56,304 |
Dilutive effect of stock-based compensation awards | 191 |  |  | 95 |  |  | 140 |  |  | 95 |
Dilutive shares outstanding | 56,066 |  |  | 56,505 |  |  | 56,001 |  |  | 56,399 |
Basic income per share: | $ | 0.65 |  |  | $ | 0.55 |  |  | $ | 0.67 |  |  | $ | 0.32 |
Diluted income per share: | $ | 0.65 |  |  | $ | 0.54 |  |  | $ | 0.66 |  |  | $ | 0.32 |
For the three months ended June 30, 2019 and June 30, 2018, the dilutive effect of all then outstanding restricted stock and performance awards is included in the earnings per share calculation above except for 75,759 and 146,159 of performance stock awards for which the performance criteria were not attained at that time and 4,623 and 136,155, respectively, of restricted stock awards which were antidilutive. For the six months ended June 30, 2019 and June 30, 2018, the dilutive effect of all then outstanding restricted stock and performance awards is included in the earnings per share calculation above except for 75,759 and 146,159 of performance stock awards for which the performance criteria were not attained at that time and 78,892 and 130,932, respectively, of restricted stock awards which were antidilutive.

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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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