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Interest Income and Other Income (Expense), Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2025 | Oct. 31, 2024
Other Income and Expenses [Abstract] |  |  |  |
Interest income | $ 4,075 | $ 4,818 | $ 12,428 | $ 15,603
Unrealized gains (losses) on foreign currency transactions | 455 | (893) | (1,384) | (11)
Other non-operating income (expense) | (921) | 1,024 | 1,702 | 477
Total interest income and other income (expense), net | $ 3,609 | $ 4,949 | $ 12,746 | $ 16,069

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