Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Cash flows from operating activities
Net loss	$ (125,488)	$ (123,799)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	14,017	16,555
Amortization of deferred contract acquisition costs	62,951	52,828
Net amortization on marketable securities	(26,552)	(19,556)
Stock-based compensation expense	270,520	283,025
Charitable donation of Class A common stock	6,564	4,215
Non-cash operating lease expense	11,762	9,663
Provision for deferred income taxes	(20,773)	(1,040)
Other non-cash credits, net	(57)	(4,864)
Changes in operating assets and liabilities:
Accounts receivable	98,062	(1,507)
Contract assets	(32,179)	(14,875)
Deferred contract acquisition costs	(59,657)	(71,727)
Prepaid expenses and other assets	10,228	17,247
Accounts payable	14,954	5,767
Accrued expenses and other liabilities	11,230	22,309
Accrued compensation and employee benefits	(48,587)	(40,590)
Operating lease liabilities, net	(10,750)	(10,296)
Deferred revenue	(1,762)	30,125
Net cash provided by operating activities	174,483	153,480
Cash flows from investing activities
Purchases of marketable securities	(1,162,243)	(1,006,606)
Maturities of marketable securities	1,176,776	576,480
Purchases of property and equipment	(7,531)	(3,558)
Purchases of investments	(35,809)	0
Other investing, net	0	2,754
Net cash used in investing activities	(28,807)	(430,930)
Cash flows from financing activities
Repurchases of Class A common stock	(381,403)	(52,649)
Proceeds from exercise of stock options	934	5,421
Payments of tax withholdings on net settlement of equity awards	(60,483)	(75,495)
Net receipts (payments) of tax withholdings on sell-to-cover equity award transactions	99	(645)
Proceeds from employee stock purchase plan contributions	12,893	14,253
Payment of deferred consideration related to business acquisition	(5,570)	(5,863)
Net cash used in financing activities	(433,530)	(114,978)
Effect of exchange rate changes	(194)	(6,167)
Net decrease in cash, cash equivalents, and restricted cash	(288,048)	(398,595)
Cash, cash equivalents, and restricted cash - beginning of period	1,062,116	1,402,119
Cash, cash equivalents, and restricted cash - end of period	774,068	1,003,524
Supplemental disclosure of cash flow information
Cash paid for interest	309	515
Cash paid for income taxes, net	15,698	9,136
Supplemental disclosure of non-cash investing and financing activities
Property and equipment purchases included in accounts payable	454	0
Payable for marketable securities purchase	0	9,747
Tax withholdings on net settlement of restricted stock units, accrued but not yet paid	$ 4,293	$ 6,833