Severance and Restructuring Costs - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
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Jan. 31, 2020 |
Jan. 31, 2019 |
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| Restructuring Cost and Reserve [Line Items] | ||
| Severance and restructuring costs | $ 3,523 | $ 2,381 |
| Total restructuring charges incurred | 3,367 | 1,608 |
| 2019 Restructuring Program [Member] | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Severance and restructuring costs | 1,600 | |
| Total restructuring charges incurred | 3,400 | |
| Former Employees [Member] | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Severance charges | $ 200 | $ 800 |
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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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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://fasb.org/us-gaap/role/ref/legacyRef
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