XML 104 R35.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Segment Reporting (Tables) | 6 Months Ended
--- | ---
Jul. 31, 2013
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information Profit Loss And Revenue Percentage [Table Text Block] | The following table summarizes segment and other results and assets (amounts in thousands):
|  |  | Three Months Ended July 31, |  |  |  | Six Months Ended July 31, |
|  |  | 2013 |  |  |  | 2012 |  |  |  | 2013 |  |  |  | 2012 |
Net sales and revenue: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alternative energy |  | $ | 175,290 |  |  | $ | 152,778 |  |  | $ | 353,614 |  |  | $ | 303,442 |
Real estate |  |  | 427 |  |  |  | 386 |  |  |  | 850 |  |  |  | 729 |
Total net sales and revenues |  | $ | 175,717 |  |  | $ | 153,164 |  |  | $ | 354,464 |  |  | $ | 304,171 |
Segment gross profit (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alternative energy |  | $ | 10,890 |  |  | $ | 7,027 |  |  | $ | 19,916 |  |  | $ | 12,537 |
Real estate |  |  | 115 |  |  |  | (69 | ) |  |  | 195 |  |  |  | (81 | )
Total gross profit |  | $ | 11,005 |  |  | $ | 6,958 |  |  | $ | 20,111 |  |  | $ | 12,456 |
|  |  | Three Months Ended July 31, |  |  |  | Six Months Ended July 31, |
|  |  | 2013 |  |  |  | 2012 |  |  |  | 2013 |  |  |  | 2012 |
Segment profit (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alternative energy |  | $ | 11,114 |  |  | $ | 2,432 |  |  | $ | 17,740 |  |  | $ | 4,901 |
Real estate |  |  | 53 |  |  |  | (114 | ) |  |  | 72 |  |  |  | (216 | )
Corporate expense |  |  | (732 | ) |  |  | (623 | ) |  |  | (1,432 | ) |  |  | (1,131 | )
Interest expense |  |  | (8 | ) |  |  | (21 | ) |  |  | (17 | ) |  |  | (23 | )
Interest income |  |  | 18 |  |  |  | 19 |  |  |  | 36 |  |  |  | 49 |
Income from continuing operations before income taxes and noncontrolling interests |  | $ | 10,445 |  |  | $ | 1,693 |  |  | $ | 16,399 |  |  | $ | 3,580 |
|  |  | Three Months Ended July 31, |  |  |  | Six Months Ended July 31, |
|  |  | 2013 |  |  |  | 2012 |  |  |  | 2013 |  |  |  | 2012 |
Sales of products alternative energy segment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ethanol |  |  | 76 | % |  |  | 76 | % |  |  | 75 | % |  |  | 77 | %
Distillers grains |  |  | 21 | % |  |  | 21 | % |  |  | 22 | % |  |  | 20 | %
Other |  |  | 3 | % |  |  | 3 | % |  |  | 3 | % |  |  | 3 | %
Total |  |  | 100 | % |  |  | 100 | % |  |  | 100 | % |  |  | 100 | %
Sales of services real estate segment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease revenue |  |  | 100 | % |  |  | 100 | % |  |  | 100 | % |  |  | 100 | %
Schedule of Segment Reporting Information Assets [Table Text Block] |
|  |  | July 31, 2013 |  |  |  | January 31, 2013 |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alternative energy |  | $ | 346,313 |  |  | $ | 337,857 |  |  |  |  |  |  |  |  |
Real estate |  |  | 12,422 |  |  |  | 13,326 |  |  |  |  |  |  |  |  |
Corporate |  |  | 49,967 |  |  |  | 54,147 |  |  |  |  |  |  |  |  |
Total assets |  | $ | 408,702 |  |  | $ | 405,330 |  |  |  |  |  |  |  |  |

X
- Definition Tabular disclosure of segment reporting information assets. + References No definition available. + Details
Name: | rex_ScheduleOfSegmentReportingInformationAssetsTableTextBlock
Namespace Prefix: | rex_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of segment reporting information profit loss and revenue percentage. + References No definition available. + Details
Name: | rex_ScheduleOfSegmentReportingInformationProfitLossAndRevenuePercentageTableTextBlock
Namespace Prefix: | rex_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration