Equity - Option Activity Rollforward (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended	12 Months Ended
	Jul. 31, 2025	Apr. 30, 2025	Jul. 31, 2025	Jan. 31, 2025
Number of Options Outstanding (in thousands)
Shares outstanding, beginning (in shares)	20,806	21,653	21,653
Exercised (in shares)	(3,565)	(847)
Canceled (in shares)		0
Shares outstanding, ending (in shares)	17,241	20,806	17,241	21,653
Weighted- Average Exercise Price
Shares outstanding, beginning balance (in dollars per share)	$ 21.37	$ 20.83	$ 20.83
Exercised (in dollars per share)	8.54	7.34
Canceled (in shares)		12.85
Shares outstanding, ending balance (in dollars per share)	$ 24.03	$ 21.37	$ 24.03	$ 20.83
Weighted-average remaining contractual life	3 years 9 months 18 days	4 years		4 years 2 months 12 days
Aggregate Intrinsic Value (in thousands)
Aggregate intrinsic value	$ 3,439,121	$ 2,903,841	$ 3,439,121	$ 3,493,648
Vested and expected to vest, outstanding (in shares)	17,241		17,241
Vested and expected to vest, weighted-average exercise price (in dollars per share)	$ 24.03		$ 24.03
Vested and expected to vest, weighted-average remaining contractual life (in years)	3 years 9 months 18 days
Vested and expected to vest, intrinsic value	$ 3,439,121		$ 3,439,121
Exercisable (in shares)	16,407		16,407
Exercisable, weighted-average exercise price (in dollars per share)	$ 16.71		$ 16.71
Exercisable, weighted-average remaining contractual life (in years)			3 years 8 months 12 days
Exercisable, intrinsic value	$ 3,392,863		$ 3,392,863