Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Oct. 31, 2025	Oct. 31, 2024
Cash flows from operating activities
Net income (loss)		$ 177,868	$ (125,488)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		11,996	14,017
Amortization of deferred contract acquisition costs		71,096	62,951
Net accretion on marketable securities		(9,047)	(26,552)
Stock-based compensation expense		225,842	270,520
Charitable donation of Class A common stock		4,187	6,564
Non-cash operating lease expense		12,904	11,762
Benefit from deferred income taxes		(187,310)	(20,773)
Credit loss expense	[1]	4,591	1,765
Other non-cash charges (credits), net		6,137	(1,822)
Changes in operating assets and liabilities:
Accounts receivable		93,457	98,062
Contract assets		(37,146)	(32,179)
Deferred contract acquisition costs		(65,617)	(59,657)
Prepaid expenses and other assets		(10,378)	10,228
Accounts payable		(17,401)	14,954
Accrued expenses and other liabilities		36,027	11,230
Accrued compensation and employee benefits		(28,846)	(48,587)
Operating lease liabilities, net		(7,452)	(10,750)
Deferred revenue		(92,048)	(1,762)
Net cash provided by operating activities		188,860	174,483
Cash flows from investing activities
Purchases of marketable securities		(507,239)	(1,162,243)
Maturities of marketable securities		585,081	1,176,776
Purchases of property and equipment		(15,996)	(7,531)
Payments related to business acquisition, net of cash acquired		(24,821)	0
Other investing, net	[1]	(16,839)	(35,809)
Net cash provided by (used in) investing activities		20,186	(28,807)
Cash flows from financing activities
Repurchases of Class A common stock		(329,101)	(381,403)
Proceeds from exercise of stock options		967	934
Payments of tax withholdings on settlement of equity awards	[1]	(41,703)	(60,384)
Proceeds from employee stock purchase plan contributions		11,864	12,893
Payment of deferred consideration related to business acquisition		0	(5,570)
Net cash used in financing activities		(357,973)	(433,530)
Effect of exchange rate changes		13,391	(194)
Net decrease in cash, cash equivalents, and restricted cash		(135,536)	(288,048)
Cash, cash equivalents, and restricted cash - beginning of period		879,634	1,062,116
Cash, cash equivalents, and restricted cash - end of period		744,098	774,068
Supplemental disclosure of cash flow information
Cash paid for interest		0	309
Cash paid for income taxes, net		12,578	15,698
Supplemental disclosure of non-cash investing and financing activities
Property and equipment purchases included in accounts payable		60	454
Deferred and contingent consideration recognized in connection with business acquisition		9,835	0
Tax withholdings on net settlement of restricted stock units, accrued but not yet paid		$ 4,761	$ 4,293

[1] (1) Prior period amounts have been expanded or aggregated to conform to current period presentation