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Severance and Other Restructuring Costs - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended |
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Apr. 30, 2014
Employees
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| Restructuring And Related Activities [Abstract] | |
| Severance and restructuring charges | $ 0.5 |
| Number of employees | 21 |
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- Details
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- Definition
The number of positions eliminated during the period as a result of restructuring activities. No definition available.
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- Definition
Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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