Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Statement of Comprehensive Income [Abstract]
Net loss	$ (102,104)	$ (732,091)
Foreign currency translation adjustment, net of tax	8,751	(489)
Unrealized gain (loss) on available-for-sale securities, net of tax	41	(176)
Total other comprehensive income (loss), net of tax	8,792	(665)
Comprehensive income (loss)	$ (93,312)	$ (732,756)