Goodwill and Intangible Assets - Schedule of Change in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jan. 31, 2016 |
Jan. 31, 2016 |
Jan. 31, 2015 |
|
| Goodwill [Roll Forward] | |||
| Goodwill, Beginning balance | $ 41,008 | $ 45,150 | |
| Acquisition of Timeline Labs | 15,787 | ||
| Timeline Labs goodwill impairment | $ 0 | (15,787) | |
| Cumulative translation adjustment | (833) | (4,142) | |
| Goodwill, Ending balance | $ 40,175 | $ 40,175 | $ 41,008 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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