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NET INCOME PER SHARE FROM CONTINUING OPERATIONS | 12 Months Ended
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Jan. 31, 2012
Earnings Per Share [Text Block] |
7. | NET INCOME PER SHARE FROM CONTINUING OPERATIONS
| The Company reports net income per share in accordance with ASC 260, “Earnings per Share”. Basic net income per share is computed by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the year. Diluted net income per share is computed by dividing net income available to common shareholders by the weighted average number of shares outstanding and dilutive common share equivalents during the year. Common share equivalents for each year include the number of shares issuable upon the exercise of outstanding options, less the shares that could be purchased under the treasury stock method. The following table reconciles the basic and diluted net income per share from continuing operations computations for each year presented for fiscal years 2011, 2010 and 2009 (amounts in thousands, except per-share amounts):
|  | 2011 |
|  | Income |  | Shares |  | Per Share |
Basic net income per share from continuing operations attributable to REX common shareholders |  | $ | 26,495 |  |  | 9,117 |  | $ | 2.90 |
Effect of stock options |  |  |  |  |  | 70 |  |  |  |
Diluted net income per share from continuing operations attributable to REX common shareholders |  | $ | 26,495 |  |  | 9,187 |  | $ | 2.88 |
|  | 2010 |
|  | Income |  | Shares |  | Per Share |
Basic net income per share from continuing operations attributable to REX common shareholders |  | $ | 3,386 |  |  | 9,651 |  | $ | 0.35 |
Effect of stock options |  |  |  |  |  | 174 |  |  |  |
Diluted net income per share from continuing operations attributable to REX common shareholders |  | $ | 3,386 |  |  | 9,825 |  | $ | 0.34 |
|  | 2009 |
|  | Income |  | Shares |  | Per Share |
Basic net income per share from continuing operations attributable to REX common shareholders |  | $ | 6,156 |  |  | 9,254 |  | $ | 0.66 |
Effect of stock options |  |  |  |  |  | 297 |  |  |  |
Diluted net income per share from continuing operations attributable to REX common shareholders |  | $ | 6,156 |  |  | 9,551 |  | $ | 0.65 |
| For fiscal year 2009, a total of 310,723 shares subject to outstanding options were not included in the common equivalent shares outstanding calculation as the effect from these shares is antidilutive. For fiscal years 2011 and 2010 all shares subject to outstanding options were dilutive.

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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 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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