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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2017
EARNINGS PER SHARE |
Reconciliation of Basic and Diluted Earnings Per Share |
|  | Three Months Ended |
|  | September 30, 2017 |  | September 30, 2016 |
|  | Diluted |  | Basic |  | Diluted |  | Basic |
Consolidated operations |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 53,523 |  | $ | 53,523 |  | $ | 53,098 |  | $ | 53,098 |
Average equivalent shares |  |  |  |  |  |  |  |  |  |  |  |  |
Shares of common stock |  |  | 62,592 |  |  | 62,592 |  |  | 62,858 |  |  | 62,858 |
Effect of dilutive stock based compensation |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 2,171 |  |  | — |  |  | 1,791 |  |  | — |
Restricted stock |  |  | 58 |  |  | — |  |  | 41 |  |  | — |
Total average equivalent shares |  |  | 64,821 |  |  | 62,592 |  |  | 64,690 |  |  | 62,858 |
Net income per share |  | $ | 0.83 |  | $ | 0.86 |  | $ | 0.82 |  | $ | 0.84 |
|  | Nine Months Ended |
|  | September 30, 2017 |  | September 30, 2016 |
|  | Diluted |  | Basic |  | Diluted |  | Basic |
Consolidated operations |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 170,517 |  | $ | 170,517 |  | $ | 156,009 |  | $ | 156,009 |
Average equivalent shares |  |  |  |  |  |  |  |  |  |  |  |  |
Shares of common stock |  |  | 62,527 |  |  | 62,527 |  |  | 62,878 |  |  | 62,878 |
Effect of dilutive stock based compensation |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 2,046 |  |  | — |  |  | 2,059 |  |  | — |
Restricted stock |  |  | 53 |  |  | — |  |  | 52 |  |  | — |
Total average equivalent shares |  |  | 64,626 |  |  | 62,527 |  |  | 64,989 |  |  | 62,878 |
Net income per share |  | $ | 2.64 |  | $ | 2.73 |  | $ | 2.40 |  | $ | 2.48 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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