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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - 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 loss	$ (48,360)	$ (72,189)	$ (88,378)	$ (135,911)
Other comprehensive (loss) income, net of tax:
Net unrealized (losses) gains on marketable securities	(944)	1,413	120	38
Foreign currency translation adjustments	252	281	4,994	(580)
Total other comprehensive (loss) income	(692)	1,694	5,114	(542)
Comprehensive loss	$ (49,052)	$ (70,495)	$ (83,264)	$ (136,453)

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