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Income Taxes - Reconciliation of Income Taxes by Jurisdiction (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2012 | Jul. 31, 2012 | Apr. 30, 2012 | Jan. 31, 2014 | Jan. 31, 2013 | Jan. 31, 2012
Income (loss) before income taxes is attributable to the following jurisdictions: |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  |  |  |  |  |  |  | $ (4,323) | $ (2,824) | $ 14,875
Foreign |  |  |  |  |  |  |  |  | 10,349 | 16,348 | 19,455
Total |  |  |  |  |  |  |  |  | 6,026 | 13,524 | 34,330
Current: |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  |  |  |  |  |  |  | 802 | (2,306) | 4,090
Foreign |  |  |  |  |  |  |  |  | 2,660 | 3,229 | 6,204
Total |  |  |  |  |  |  |  |  | 3,462 | 923 | 10,294
Deferred: |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  |  |  |  |  |  |  | (3,039) | (4,757) | 1,042
Foreign |  |  |  |  |  |  |  |  | 835 | 307 | (1,327)
Total |  |  |  |  |  |  |  |  | (2,204) | (4,450) | (285)
Income tax expense (benefit) | $ 397 | $ (478) | $ (273) | $ 1,612 | $ (50) | $ (956) | $ (5,128) | $ 2,607 | $ 1,258 | $ (3,527) | $ 10,009

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- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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