CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Cash flows from operating activities
Net loss	$ (86,681)	$ (144,898)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	16,654	9,580
Stock-based compensation	406,461	368,898
Amortization of debt discount and issuance costs	0	2,419
Amortization of finance right-of-use assets	2,981	2,981
Amortization of operating right-of-use assets	8,498	8,300
Deferred income taxes	(687)	(799)
Amortization of premium and accretion of discount on short-term investments, net	(8,749)	(19,117)
Realized and unrealized loss (gain) on financial instruments, net	(563)	1,190
Unrealized foreign exchange loss	1,040	1,992
Change in operating assets and liabilities:
Accounts receivable, net	(25,188)	(11,258)
Prepaid expenses and other current assets	(1,883)	(582)
Deferred commissions	10,952	(38,794)
Other long-term assets	(13,999)	(17,704)
Accounts payable	3,555	1,569
Accrued liabilities	10,923	22,494
Operating lease liabilities	(8,321)	(9,145)
Deferred revenue	9,459	(71,352)
Other liabilities, non-current	(34)	(3,741)
Net cash provided by operating activities	325,544	99,653
Cash flows from investing activities
Purchases of property, equipment and other assets	(3,826)	(3,571)
Business combination, net of cash acquired	(2,032)	0
Investments in non-marketable securities	(8,322)	(5,750)
Proceeds from maturities of marketable securities	595,970	570,000
Proceeds from the sales of marketable securities	127,660	0
Purchases of marketable securities	(337,292)	(971,803)
Net cash provided by (used in) investing activities	372,158	(411,124)
Cash flows from financing activities
Repurchases of common stock	(343,079)	0
Proceeds from settlement of capped calls	0	170,589
Proceeds from the issuance of common stock under the Employee Stock Purchase Plan	22,917	18,640
Proceeds from exercise of stock options	2,322	1,621
Principal payments of finance leases	(5,800)	(4,534)
Net cash (used in) provided by financing activities	(362,136)	186,316
Effect of exchange rate changes on cash, cash equivalents and restricted cash	8,851	(2,825)
Net increase in cash, cash equivalents and restricted cash	344,417	(127,980)
Cash, cash equivalents and restricted cash, beginning of period	492,753	803,643
Cash, cash equivalents and restricted cash, end of period	837,170	675,663
Cash paid during the period for:
Income taxes, net of refunds	10,644	11,703
Interest expense	1,459	3,236
Reconciliation of cash, cash equivalents and restricted cash within the condensed consolidated balance sheets, end of period, to the amounts shown in the statements of cash flows above:
Cash and cash equivalents	834,092	673,054
Restricted cash, non-current	3,078	2,609
Total cash, cash equivalents and restricted cash	837,170	675,663
Payment, Tax Withholding, Share-Based Payment Arrangement	$ (38,496)	$ 0