Equity - Option Activity Rollforward (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
Apr. 30, 2026	Jan. 31, 2025	Jan. 31, 2026
Number of Options Outstanding (in thousands)
Shares outstanding, beginning (in shares)	13,766
Exercised (in shares)	(832)
Shares outstanding, ending (in shares)	12,934
Weighted- Average Exercise Price
Shares outstanding, beginning balance (in dollars per share)	$ 26.56
Exercised (in dollars per share)	7.83
Shares outstanding, ending balance (in dollars per share)	$ 27.76
Weighted-average remaining contractual life	2 years 10 months 24 days	3 years 1 month 6 days
Aggregate Intrinsic Value (in thousands)
Aggregate intrinsic value	$ 1,466,097		$ 2,294,028
Vested and expected to vest, outstanding (in shares)	12,934
Vested and expected to vest, weighted-average exercise price (in dollars per share)	$ 27.76
Vested and expected to vest, weighted-average remaining contractual life (in years)	2 years 10 months 24 days
Vested and expected to vest, intrinsic value	$ 1,466,097
Exercisable (in shares)	12,351
Exercisable, weighted-average exercise price (in dollars per share)	$ 21.36
Exercisable, weighted-average remaining contractual life (in years)	2 years 9 months 18 days
Exercisable, intrinsic value	$ 1,466,097

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.