Fair Value of Financial Instruments - Narrative (Details) - USD ($)	Jul. 31, 2025	Jan. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Short-term investments accumulated impairment loss	$ 0	$ 0
Level 2:
Debt Securities, Available-for-Sale [Line Items]
Fair value of Convertible Notes	$ 1,237,900,000

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details