Net (Loss) Income Per Share - Schedule of Anti-dilutive Securities Excluded from Computation of Earnings Per Share (Detail)
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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Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Anti-dilutive potentially outstanding common shares | 1,270 | 559 | 530 | 1,426 |
Stock Options [Member]
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Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Anti-dilutive potentially outstanding common shares | 1,007 | 557 | 318 | 942 |
Restricted Stock Units [Member]
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Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Anti-dilutive potentially outstanding common shares | 263 | 2 | 212 | 484 |