CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Beginning balance (in shares) at Jan. 31, 2023		293,822,850
Beginning balance at Jan. 31, 2023	$ 6,206,607	$ 294	$ 4,104,880	$ (50,385)	$ 2,151,818
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		501,968
Issuance of common stock upon exercise of stock options	4,269	$ 1	4,268
Issuance of common stock upon release of restricted stock units (in shares)		3,130,908
Issuance of common stock upon release of restricted stock units	0	$ 3	(3)
Stock-based compensation expense	282,273		282,273
Other comprehensive (loss) income	15,514			15,514
Net income	15,444				15,444
Ending balance (in shares) at Apr. 30, 2023		297,455,726
Ending balance at Apr. 30, 2023	6,524,107	$ 298	4,391,418	(34,871)	2,167,262
Beginning balance (in shares) at Jan. 31, 2024		307,558,353
Beginning balance at Jan. 31, 2024	$ 8,019,406	$ 307	5,228,756	1,063	2,789,280
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	109,464	109,464
Issuance of common stock upon exercise of stock options	$ 1,016		1,016
Issuance of common stock upon release of restricted stock units (in shares)		4,001,172
Issuance of common stock upon release of restricted stock units	0	$ 4	(4)
Repurchases of common stock (in shares)		(2,400,305)
Repurchases of common stock	(150,048)	$ (2)	(150,046)
Stock-based compensation expense	230,695		230,695
Other comprehensive (loss) income	(18,553)			(18,553)
Net income	216,308				216,308
Ending balance (in shares) at Apr. 30, 2024		309,268,684
Ending balance at Apr. 30, 2024	$ 8,298,824	$ 309	$ 5,310,417	$ (17,490)	$ 3,005,588