CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Cash flows from operating activities:
Net income	$ 338,630	$ 207,761
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	802,788	767,693
Amortization of deferred contract acquisition costs	203,908	186,626
Depreciation and amortization	77,179	57,921
Deferred income taxes	20,056	0
(Gains) losses on strategic investments, net	(8,474)
(Gains) losses on strategic investments, net		78,014
Provision for accounts receivable allowances	29,062	39,580
Unrealized foreign exchange losses	23,281	40,884
Non-cash operating lease cost	15,841	16,949
Amortization of discount/premium on marketable securities	(33,307)	4,156
Other	(5,251)	1,044
Changes in operating assets and liabilities:
Accounts receivable	71,993	(238,020)
Prepaid expenses and other assets	(124,455)	(163,721)
Deferred contract acquisition costs	(146,354)	(217,822)
Accounts payable	(2,258)	24,561
Accrued expenses and other liabilities	(15)	116,391
Deferred revenue	1,918	174,325
Operating lease liabilities, net	(16,931)	(17,668)
Net cash provided by operating activities	1,247,611	1,078,674
Cash flows from investing activities:
Purchases of marketable securities	(2,963,597)	(1,927,049)
Maturities of marketable securities	2,358,078	2,137,875
Purchases of property and equipment	(108,413)	(75,568)
Purchases of strategic investments	(52,800)	(65,050)
Proceeds from strategic investments	107,244	300
Cash paid for acquisition, net of cash acquired	(204,918)	(120,553)
Purchases of intangible assets	0	(10,568)
Net cash used in investing activities	(864,406)	(60,613)
Cash flows from financing activities:
Proceeds from exercise of stock options	8,336	6,815
Proceeds from issuance of common stock for employee stock purchase plan	32,513	34,605
Proceeds from employee equity transactions (remitted) to be remitted to employees and tax authorities, net	(4,897)	671
Cash paid for repurchases of common stock	0	(990,778)
Net cash provided by (used in) financing activities	35,952	(948,687)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(21,273)	(36,639)
Net increase (decrease) in cash, cash equivalents, and restricted cash	397,884	32,735
Cash, cash equivalents, and restricted cash – beginning of period	1,100,243	1,073,353
Cash, cash equivalents, and restricted cash – end of period	1,498,127	1,106,088
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	1,492,910	1,096,174
Restricted cash, current included in prepaid expenses and other current assets	4,972	9,668
Restricted cash, noncurrent included in other assets, noncurrent	245	246
Total cash, cash equivalents, and restricted cash	$ 1,498,127	$ 1,106,088