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Fair Value Measurements - Schedule of Fair Value of Outstanding Derivative Instruments (Details) - Foreign currency derivative contracts - USD ($) $ in Thousands | Apr. 30, 2026 | Jan. 31, 2026
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Derivatives, Fair Value [Line Items] |  |
Notional amount of foreign currency derivative contracts | $ 120,426 | $ 354,696
Fair value of foreign currency derivative contracts | $ 121,209 | $ 356,320

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