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Equity - Share-based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended
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Apr. 30, 2026 | Apr. 30, 2025
Share-based Payment Arrangement, Expensed and Capitalized, Amount |  |
Total stock-based compensation | $ 402,470 | $ 379,460
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount |  |
Stock-based compensation, net of amounts capitalized | 33,780 | 33,815
Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount |  |
Stock-based compensation, net of amounts capitalized | 32,929 | 37,216
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount |  |
Stock-based compensation, net of amounts capitalized | 237,752 | 220,913
Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount |  |
Stock-based compensation, net of amounts capitalized | $ 98,009 | $ 87,516

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