CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Class A & B common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss
Beginning balance (in shares) at Jan. 31, 2022		154,196,597
Beginning balance at Jan. 31, 2022	$ 2,911,637	$ 2	$ 1,196,547	$ 1,727,046	$ (11,958)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		482,436
Issuance of common stock upon exercise of stock options	16,291		16,291
Issuance of common stock upon vesting of restricted stock units (in shares)		185,800
Shares withheld related to net share settlement (in shares)		(66,873)
Shares withheld related to net share settlement	(14,910)		(14,910)
Stock-based compensation expense	67,395		67,395
Change in other comprehensive loss	(12,253)				(12,253)
Net income	100,115			100,115
Ending balance (in shares) at Apr. 30, 2022		154,797,960
Ending balance at Apr. 30, 2022	3,068,275	$ 2	1,265,323	1,827,161	(24,211)
Beginning balance (in shares) at Jan. 31, 2023		158,244,607
Beginning balance at Jan. 31, 2023	$ 3,716,252	$ 2	1,532,627	2,214,752	(31,129)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	1,788,009	1,788,009
Issuance of common stock upon exercise of stock options	$ 15,233		15,233
Issuance of common stock upon vesting of restricted stock units (in shares)		260,782
Shares withheld related to net share settlement (in shares)		(93,166)
Shares withheld related to net share settlement	(16,987)		(16,987)
Stock-based compensation expense	91,674		91,674
Change in other comprehensive loss	5,370				5,370
Net income	131,521			131,521
Ending balance (in shares) at Apr. 30, 2023		160,200,232
Ending balance at Apr. 30, 2023	$ 3,943,063	$ 2	$ 1,622,547	$ 2,346,273	$ (25,759)