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Segment Information, Significant Customers and Geographic Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Jan. 31, 2014
|
Jan. 31, 2013
|
Jan. 31, 2012
|
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| Segment Reporting Information [Line Items] | |||
| Total revenues | $ 146,319 | $ 157,188 | $ 164,792 |
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North America [Member]
|
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| Segment Reporting Information [Line Items] | |||
| Total revenues | 77,105 | 94,155 | 107,263 |
|
Europe and Middle East [Member]
|
|||
| Segment Reporting Information [Line Items] | |||
| Total revenues | 53,105 | 49,824 | 47,889 |
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Latin America [Member]
|
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| Segment Reporting Information [Line Items] | |||
| Total revenues | 13,156 | 11,777 | 5,579 |
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Asia Pacific [Member]
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| Segment Reporting Information [Line Items] | |||
| Total revenues | $ 2,953 | $ 1,432 | $ 4,061 |
|
Sales [Member] | North America [Member]
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| Segment Reporting Information [Line Items] | |||
| % of total revenue | 53.00% | 60.00% | 65.00% |
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Sales [Member] | Europe and Middle East [Member]
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| Segment Reporting Information [Line Items] | |||
| % of total revenue | 36.00% | 32.00% | 29.00% |
|
Sales [Member] | Latin America [Member]
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| Segment Reporting Information [Line Items] | |||
| % of total revenue | 9.00% | 7.00% | 3.00% |
|
Sales [Member] | Asia Pacific [Member]
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| Segment Reporting Information [Line Items] | |||
| % of total revenue | 2.00% | 1.00% | 3.00% |