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Correction of Immaterial Errors (Effect of recording immaterial corrections in the condensed consolidated balance sheets and consolidated statements of comprehensive income (loss))(Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jul. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Jul. 31, 2014 | Jul. 31, 2013 | Oct. 31, 2013 | Jan. 31, 2014
Accrued pension expenses | $ 23,132 | $ 25,192 | $ 25,763 | $ 23,132 | $ 25,763 | $ 25,192 | $ 23,951
Total stockholder’s equity | 29,724 | 34,387 | 29,705 | 29,724 | 29,705 | 34,387 | 27,605
Net income (loss) | 5,203 | 3,408 | 6,210 | 1,348 | 1,763 |  |
Comprehensive income (loss) | 5,524 | 4,610 | 6,612 | 1,990 | 2,567 | 7,177 |
As Previously Reported |  |  |  |  |  |  |
Accrued pension expenses |  | 26,398 | 26,567 |  | 26,567 | 26,398 |
Total stockholder’s equity |  | 33,181 | 28,901 |  | 28,901 | 33,181 |
Net income (loss) |  | 3,408 | 6,210 |  |  |  |
Comprehensive income (loss) |  | $ 4,208 | $ 6,210 |  | $ 1,763 | $ 5,971 |

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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