Debt - Narrative (Details) - Convertible notes - Convertible Senior Notes Due 2030 - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
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Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
Jun. 30, 2025 |
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| Line of Credit Facility [Line Items] | |||||
| Principal | $ 1,150,000 | $ 1,150,000 | $ 1,150,000 | ||
| Interest rate (as a percent) | 0.00% | ||||
| Amortization of debt discount and issuance costs | $ 1,100 | $ 600 | $ 2,200 | $ 600 | |
| Effective interest rate (as a percent) | 0.19% | 0.19% | |||
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- Definition Amount of amortization expense attributable to debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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