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, 2022		299,037,805
Beginning balance at Jan. 31, 2022	$ 5,780,018	$ 299	$ 3,749,514	$ (17,902)	$ 2,048,107
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		543,518
Issuance of common stock upon exercise of stock options	3,344	$ 1	3,343
Issuance of common stock upon release of restricted stock units (in shares)		467,160
Repurchase of common stock (in shares)		(1,224,250)
Repurchase of common stock	(132,412)	$ (1)	(132,411)
Stock-based compensation expense	210,614		210,614
Other comprehensive income (loss)	(27,335)			(27,335)
Net income	113,658				113,658
Ending balance (in shares) at Apr. 30, 2022		298,824,233
Ending balance at Apr. 30, 2022	5,947,887	$ 299	3,831,060	(45,237)	2,161,765
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	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 income (loss)	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