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 |
3 Months Ended | 9 Months Ended | ||
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Oct. 31, 2014
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Oct. 31, 2013
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Oct. 31, 2014
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Oct. 31, 2013
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Segment Reporting Information [Line Items] | ||||
Total revenues | $ 29,970 | $ 37,771 | $ 84,156 | $ 110,703 |
North America [Member]
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Segment Reporting Information [Line Items] | ||||
Total revenues | 15,673 | 21,508 | 49,170 | 61,068 |
Europe and Middle East [Member]
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Segment Reporting Information [Line Items] | ||||
Total revenues | 10,272 | 13,324 | 26,970 | 39,663 |
Latin America [Member]
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Segment Reporting Information [Line Items] | ||||
Total revenues | 1,475 | 2,629 | 4,653 | 7,724 |
Asia Pacific and Other International Locations [Member]
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Segment Reporting Information [Line Items] | ||||
Total revenues | $ 2,550 | $ 310 | $ 3,363 | $ 2,248 |
Sales [Member] | North America [Member]
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Segment Reporting Information [Line Items] | ||||
% of total revenues | 52.00% | 57.00% | 58.00% | 55.00% |
Sales [Member] | Europe and Middle East [Member]
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Segment Reporting Information [Line Items] | ||||
% of total revenues | 34.00% | 35.00% | 32.00% | 36.00% |
Sales [Member] | Latin America [Member]
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Segment Reporting Information [Line Items] | ||||
% of total revenues | 5.00% | 7.00% | 6.00% | 7.00% |
Sales [Member] | Asia Pacific and Other International Locations [Member]
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Segment Reporting Information [Line Items] | ||||
% of total revenues | 9.00% | 1.00% | 4.00% | 2.00% |