Fair Value Measurements - Schedule of Notional Amounts of Derivative Instruments (Details) - USD ($) $ in Thousands |
Apr. 30, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Derivative, Notional Amount [Roll Forward] | ||
| Derivative, notional amount | $ 443,679 | $ 315,989 |
| Foreign Exchange Forward | Not Designated as Hedging Instrument | ||
| Derivative, Notional Amount [Roll Forward] | ||
| Derivative, notional amount | 187,161 | 228,997 |
| Foreign Exchange Forward | Cash Flow Hedging | Designated as Hedging Instrument | ||
| Derivative, Notional Amount [Roll Forward] | ||
| Derivative, notional amount | $ 256,518 | $ 86,992 |