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EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. | 12 Months Ended
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Jan. 31, 2018
EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. |
EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. | NOTE 15 — EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. Reconciliations of the number of weighted average basic shares outstanding to the number of weighted average diluted shares outstanding and the computations of basic and diluted earnings per share for the years ended January 31, 2018, 2017 and 2016 are as follows (shares in thousands except in footnote 1 below):
|  | 2018 |  | 2017 |  | 2016 |
Net income attributable to the stockholders of Argan, Inc. |  | $ | 72,011 |  | $ | 70,328 |  | $ | 36,345 |
Weighted average number of shares outstanding (basic) |  | 15,522 |  | 15,066 |  | 14,757 |
Effect of stock options (1) |  | 258 |  | 559 |  | 267 |
Weighted average number of shares outstanding (diluted) |  | 15,780 |  | 15,625 |  | 15,024 |
Net income per share attributable to the stockholders of Argan, Inc. |  |  |  |  |  |  |
Basic |  | $ | 4.64 |  | $ | 4.67 |  | $ | 2.46 |
Diluted |  | $ | 4.56 |  | $ | 4.50 |  | $ | 2.42 |
| (1) |  | The numbers of antidilutive shares excluded from the diluted computations were approximately 260,000, 165,000 and 180,000 for the years ended January 31, 2018, 2017 and 2016, respectively.

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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 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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