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EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. (Tables) | 12 Months Ended
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Jan. 31, 2018
EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. |
Schedule of computations of basic and diluted earnings per share |
|  | 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 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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