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Severance and Other Restructuring Costs - Additional Information (Detail) (USD $)
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12 Months Ended | ||
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Jan. 31, 2015
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Jan. 31, 2014
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Jan. 31, 2013
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| Restructuring and Related Activities [Abstract] | |||
| Restructuring charges | $ 3,623,000us-gaap_RestructuringCharges | $ 911,000us-gaap_RestructuringCharges | $ 3,106,000us-gaap_RestructuringCharges |
| Severance costs | 3,400,000us-gaap_SeveranceCosts1 | ||
| Other restructuring charges, (primarily due to the write off of leasehold improvements) | $ 200,000us-gaap_OtherRestructuringCosts | ||
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- Definition
Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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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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- Definition
Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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