Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 1,584	$ (86,097)	$ (20,971)	$ (114,833)
Other comprehensive income (loss), net of tax:
Unrealized (loss) gain on available-for-sale marketable securities, net	(814)	482	(258)	(29)
Foreign currency translation adjustments. net	(3,962)	2,883	29,895	(691)
Other comprehensive (loss) income, net	(4,776)	3,365	29,637	(720)
Comprehensive (loss) income	$ (3,192)	$ (82,732)	$ 8,666	$ (115,553)