Convertible Preferred Stock and Stockholders' Equity (Deficit) - Summary of Changes In Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Oct. 31, 2022	Jul. 31, 2022	Apr. 30, 2022	Oct. 31, 2021	Jul. 31, 2021	Apr. 30, 2021	Oct. 31, 2022	Oct. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,849,549	$ 1,880,194	$ 1,921,917	$ 1,898,953	$ 1,899,541	$ (803,704)	$ 1,921,917	$ (803,704)
Other comprehensive income (loss), net of tax	(4,197)	709	(458)	8,429	3,696	4,227	(3,946)	16,352
Ending balance	1,859,824	1,849,549	1,880,194	1,883,405	1,898,953	1,899,541	1,859,824	1,883,405
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	11,150	10,441	10,899	(4,598)	(8,294)	(12,521)	10,899	(12,521)
Other comprehensive income (loss), net of tax	(4,197)	709	(458)	8,429	3,696	4,227
Ending balance	6,953	$ 11,150	10,441	3,831	$ (4,598)	(8,294)	6,953	3,831
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			11,234			(12,504)	11,234	(12,504)
Other comprehensive income (loss), net of tax							(3,321)	16,424
Ending balance	7,913			3,920			7,913	3,920
Unrealized Loss on Marketable Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			$ (335)			$ (17)	(335)	(17)
Other comprehensive income (loss), net of tax							(625)	(72)
Ending balance	$ (960)			$ (89)			$ (960)	$ (89)