CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		9 Months Ended
		Oct. 31, 2024	Oct. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income		$ 50,611	$ 29,797
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		15,910	38,996
Stock-based compensation expense		161,857	151,517
Amortization of deferred commissions		39,377	40,803
Induced conversion expense		10,139	0
Other		(2,496)	2,729
Changes in operating assets and liabilities:
Accounts receivable, net		90,764	93,280
Deferred commissions		(30,860)	(28,361)
Operating lease right-of-use assets, net		18,171	26,302
Other assets		(26)	707
Accounts payable, accrued expenses and other liabilities		(10,519)	(9,138)
Operating lease liabilities		(21,658)	(35,731)
Deferred revenue		(91,186)	(81,513)
Net cash provided by operating activities		230,084	229,388
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of short-term investments		(90,676)	(106,389)
Maturities of short-term investments		97,396	79,000
Sales of short-term investments		3,567	0
Purchases of property and equipment		(1,945)	(4,461)
Proceeds from sales of property and equipment		8,395	1,671
Capitalized internal-use software costs		(19,031)	(12,362)
Other		(3,525)	(190)
Net cash used in investing activities		(5,819)	(42,731)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of convertible notes, net of issuance costs		448,953	0
Partial repurchase of convertible notes		(191,713)	0
Purchase of capped calls related to convertible notes		(52,486)	0
Settlement of capped calls related to convertible notes		30,313	0
Repurchases of common stock		(168,651)	(155,922)
Principal payments on borrowings		(30,000)	0
Payments of dividends to preferred stockholders		(11,250)	(11,193)
Proceeds from exercise of stock options		16,170	1,157
Proceeds from issuances of common stock under employee stock purchase plan		25,910	26,860
Employee payroll taxes paid for net settlement of stock awards		(58,089)	(58,298)
Principal payments of finance lease liabilities		(2,141)	(26,131)
Other		(2,022)	(3,989)
Net cash provided by (used in) financing activities		4,994	(227,516)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash		(3,470)	(9,710)
Net increase (decrease) in cash, cash equivalents, and restricted cash		225,789	(50,569)
Cash, cash equivalents, and restricted cash, beginning of period	[1]	384,257	429,040
Cash, cash equivalents, and restricted cash, end of period	[1]	$ 610,046	$ 378,471

[1] Restricted cash is included in other current assets in the condensed consolidated balance sheets for the periods presented.