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Interest Income and Other Income (Expense), Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024
Other Income and Expenses [Abstract] |  |  |  |
Interest income | $ 4,121 | $ 5,409 | $ 8,353 | $ 10,785
Unrealized gains (losses) on foreign currency transactions | (1,081) | 1,407 | (1,839) | 882
Other non-operating income (expense) | 267 | (56) | 2,623 | (547)
Total interest income and other income (expense), net | $ 3,307 | $ 6,760 | $ 9,137 | $ 11,120

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