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Goodwill and Intangible Assets - Schedule of Change in Carrying Amount of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended |
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Apr. 30, 2015
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| Goodwill [Roll Forward] | |
| Goodwill, Beginning balance | $ 41,008us-gaap_Goodwill |
| Acquisition of Timeline Labs | 17,453us-gaap_GoodwillAcquiredDuringPeriod |
| Cumulative translation adjustment | (327)us-gaap_GoodwillTranslationAdjustments |
| Goodwill, Ending balance | $ 58,134us-gaap_Goodwill |
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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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- Details
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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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