CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Cash flows from operating activities
Net loss	$ (162,815)	$ (546,654)
Adjustments to reconcile net loss to net cash provided by operating activities
Depreciation and amortization	69,010	73,446
Amortization of deferred commissions	97,093	81,409
Amortization of investment premiums (accretion of discounts), net	(4,909)	(2,062)
Loss on strategic equity investments, net	3,414	97
Amortization of debt issuance costs	6,642	7,878
Loss on facility exits	5,731	10,000
Non-cash operating lease costs	(5,028)	(3,079)
Stock-based compensation	577,464	601,745
Deferred income taxes	(493)	(1,434)
Loss on disposal of assets	29	0
Changes in operating assets and liabilities
Accounts receivable, net	511,853	407,983
Prepaid expenses and other assets	53,921	96,708
Deferred commissions	(118,175)	(102,366)
Accounts payable	(10,072)	(40,773)
Accrued compensation	(74,943)	(148,794)
Accrued expenses and other liabilities	(80,227)	(46,224)
Deferred revenue	(281,479)	(214,238)
Net cash provided by operating activities	587,016	173,642
Cash flows from investing activities
Purchases of property and equipment	(9,186)	(9,229)
Capitalized software development costs	(8,961)	(5,806)
Purchases of marketable securities	(1,323,475)	(988,904)
Maturities of marketable securities	1,888,244	352,864
Purchases of strategic investments	(3,343)	(6,359)
Other investment activities	0	1,534
Net cash provided by (used in) investing activities	543,279	(655,900)
Cash flows from financing activities
Proceeds from the exercise of stock options	413	1,398
Proceeds from employee stock purchase plan	51,201	48,596
Repayment of 2023 Notes	(776,661)	0
Taxes paid related to net share settlement of equity awards	(167,873)	(163,498)
Net cash used in financing activities	(892,920)	(113,504)
Net increase (decrease) in cash and cash equivalents	237,375	(595,762)
Cash and cash equivalents at beginning of period	690,587	1,428,691
Cash and cash equivalents at end of period	927,962	832,929
Supplemental disclosures
Cash paid for income taxes	8,120	10,692
Cash paid for interest	24,775	24,452
Non-cash investing and financing activities
Increase in accrued purchases of property and equipment	$ 4,203	$ 2,848