Stock-Based Compensation - Restricted Stock Units and Stock Options Narrative (Details) $ in Millions |
3 Months Ended |
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Apr. 30, 2023
USD ($)
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Cost not yet recognized, options, amount | $ 87.6 |
| Restricted Stock Units (RSUs) | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Cost not yet recognized amount | $ 523.1 |
| Cost not yet recognized, period for recognition | 3 years 6 months |
| Stock options | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Cost not yet recognized, period for recognition | 2 years 1 month 6 days |
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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://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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