CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Revenue:
Total revenue	$ 3,219,500	$ 2,976,739	$ 2,761,882
Cost of revenue:
Total cost of revenue	663,062	621,659	572,621
Gross profit	2,556,438	2,355,080	2,189,261
Operating expenses:
Sales and marketing	1,203,885	1,160,993	1,168,137
Research and development	664,985	588,455	539,488
General and administrative	388,989	375,983	419,621
Restructuring and other related charges	0	29,721	30,381
Total operating expenses	2,257,859	2,155,152	2,157,627
Income from operations	298,579	199,928	31,634
Interest expense	(2,546)	(1,550)	(6,844)
Interest income and other income, net	51,295	49,563	68,889
Income before provision for (benefit from) income taxes	347,328	247,941	93,679
Provision for (benefit from) income taxes	38,243	(819,944)	19,699
Net income	$ 309,085	$ 1,067,885	$ 73,980
Net income per share attributable to common stockholders:
Basic (in usd per share)	$ 1.53	$ 5.23	$ 0.36
Diluted (in usd per share)	$ 1.48	$ 5.08	$ 0.36
Weighted-average shares used in computing net income per share:
Basic (in shares)	202,079	204,329	204,070
Diluted (in shares)	209,118	210,339	208,950
Other comprehensive income (loss):
Foreign currency translation gains (losses), net of tax	$ 24,072	$ (9,651)	$ (254)
Unrealized gains on investments, net of tax	592	635	3,890
Other comprehensive income (loss)	24,664	(9,016)	3,636
Comprehensive income	333,749	1,058,869	77,616
Stock-based compensation expense included in costs and expenses:
Stock-based compensation expense	622,321	610,335	616,847
Sales and marketing
Stock-based compensation expense included in costs and expenses:
Stock-based compensation expense	189,648	202,609	203,855
Research and development
Stock-based compensation expense included in costs and expenses:
Stock-based compensation expense	236,780	204,238	184,211
General and administrative
Stock-based compensation expense included in costs and expenses:
Stock-based compensation expense	123,496	121,665	143,773
Restructuring and other related charges
Stock-based compensation expense included in costs and expenses:
Stock-based compensation expense	0	4,836	5,012
Subscription
Revenue:
Total revenue	3,150,551	2,901,309	2,686,708
Cost of revenue:
Total cost of revenue	581,058	532,445	459,905
Subscription | Cost of revenue
Stock-based compensation expense included in costs and expenses:
Stock-based compensation expense	56,501	58,348	51,660
Professional services and other
Revenue:
Total revenue	68,949	75,430	75,174
Cost of revenue:
Total cost of revenue	82,004	89,214	112,716
Professional services and other | Cost of revenue
Stock-based compensation expense included in costs and expenses:
Stock-based compensation expense	$ 15,896	$ 18,639	$ 28,336