CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Income Statement [Abstract]
Revenue	$ 1,105,364	$ 1,073,800
Cost of revenue	263,947	261,821
Gross profit	841,417	811,979
Operating expenses:
Research and development	209,271	144,291
Sales and marketing	422,504	362,783
General and administrative	199,900	117,840
Total operating expenses	831,675	624,914
Income from operations	9,742	187,065
Gains (losses) on strategic investments, net	2,275	(36,404)
Other income (expense), net	31,213	(6,989)
Income before provision for income taxes	43,230	143,672
Provision for income taxes	27,786	30,014
Net income	15,444	113,658
Undistributed earnings attributable to participating securities	0	(18)
Net income attributable to common stockholders	$ 15,444	$ 113,640
Net income per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.05	$ 0.38
Diluted (in dollars per share)	$ 0.05	$ 0.37
Weighted-average shares used in computing net income per share attributable to common stockholders:
Basic (in shares)	295,409,207	299,147,105
Diluted (in shares)	304,115,913	306,614,220