Stock-Based Compensation - Costs Not Yet Recognized (Details) $ in Thousands |
6 Months Ended |
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Jul. 31, 2021
USD ($)
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| Stock options | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized expense | $ 54,312 |
| Weighted average expense recognition period | 3 years 1 month 6 days |
| Performance share units | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized expense | $ 3,190 |
| Weighted average expense recognition period | 3 years 7 months 6 days |
| Restricted stock units | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized expense | $ 2,961 |
| Weighted average expense recognition period | 1 year 10 months 24 days |
| ESPP | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized expense | $ 11,870 |
| Weighted average expense recognition period | 10 months 24 days |
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. 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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