Other Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Other Income and Expenses [Abstract]
Foreign currency gain (loss)	$ 124	$ 591	$ (714)
Accretion (amortization) on investments	24,817	2,982	(7,201)
Interest income, net	133,748	45,860	14,730
Miscellaneous income	0	572	0
Other income, net	$ 158,689	$ 50,005	$ 6,815