CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Cash flows from operating activities:
Net income	$ 613,195	$ 435,323
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	390,268	467,375
Amortization of deferred contract acquisition costs	139,563	139,813
Depreciation and amortization	67,479	55,751
Deferred income taxes	(53,271)	(57,866)
Gains on strategic investments, net	(31,437)	(20,461)
Provision for accounts receivable allowances	10,120	12,518
Unrealized foreign exchange (gains) losses	(8,539)	7,229
Non-cash operating lease cost	12,494	11,957
Amortization of discount/premium on marketable securities	(21,635)	(35,840)
Other	3,812	(1,225)
Changes in operating assets and liabilities:
Accounts receivable	(23,608)	7,637
Prepaid expenses and other assets	3,160	61,035
Deferred contract acquisition costs	(129,552)	(110,719)
Accounts payable	4,794	267
Accrued expenses and other liabilities	(81,985)	(53,967)
Deferred revenue	125,015	133,629
Operating lease liabilities, net	(14,672)	(14,931)
Net cash provided by operating activities	1,005,201	1,037,525
Cash flows from investing activities:
Purchases of marketable securities	(2,227,043)	(2,181,315)
Maturities of marketable securities	2,088,081	1,644,169
Sales of marketable securities	12,525	0
Purchases of property and equipment	(33,876)	(102,742)
Purchases of strategic investments	(27,495)	(13,500)
Proceeds from strategic investments	2,505	4,654
Purchases of intangible assets	(500)	0
Net cash used in investing activities	(185,803)	(648,734)
Cash flows from financing activities:
Proceeds from exercise of stock options	1,375	1,855
Proceeds from issuance of common stock for employee stock purchase plan	36,057	34,263
Proceeds from employee equity transactions (remitted) to be remitted to employees and tax authorities, net	(2,083)	2,859
Cash paid for repurchases of common stock, including excise taxes	(883,284)	(437,693)
Taxes paid related to net share settlement of equity awards	(137,457)	0
Net cash used in financing activities	(985,392)	(398,716)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	13,276	(6,146)
Net decrease in cash, cash equivalents, and restricted cash	(152,718)	(16,071)
Cash, cash equivalents, and restricted cash – beginning of period	1,361,417	1,565,380
Cash, cash equivalents, and restricted cash – end of period	1,208,699	1,549,309
Reconciliation of cash, cash equivalents, and restricted cash within the condensed consolidated balance sheets to the amounts shown in the condensed consolidated statements of cash flows above:
Cash and cash equivalents	1,198,576	1,539,457
Restricted cash, current included in prepaid expenses and other current assets	10,123	9,852
Total cash, cash equivalents, and restricted cash	$ 1,208,699	$ 1,549,309