CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)		$ 1,045	$ (8,700)	$ (3,654)	$ (23,273)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		17,781	19,707	36,317	39,087
Stock-based compensation expense		48,686	44,128	95,796	85,918
Amortization of deferred commissions		13,296	11,065	26,441	21,582
Other		1,572	515	1,871	958
Changes in operating assets and liabilities:
Accounts receivable, net		(50,705)	(22,132)	86,171	94,703
Deferred commissions		(14,502)	(12,307)	(23,561)	(20,234)
Operating lease right-of-use assets, net		10,074	10,817	20,066	21,669
Other assets		3,506	857	(11,862)	(7,959)
Accounts payable, accrued expenses and other liabilities		16,455	12,578	(1,995)	672
Operating lease liabilities		(10,347)	(10,526)	(22,213)	(24,453)
Deferred revenue		(8,522)	(1,210)	(67,308)	(49,106)
Net cash provided by operating activities		28,339	44,792	136,069	139,564
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of short-term investment		(21,795)		(59,678)	(50,000)
Maturities of short-term investments		105,000		185,000
Purchases of property and equipment, net of sale proceeds		(211)	(1,090)	(769)	(2,235)
Capitalized internal-use software costs		(1,978)	(1,207)	(4,510)	(2,385)
Acquisitions, net of cash acquired		(200)		(500)	(56,642)
Other			677	(315)	677
Net cash provided by (used in) investing activities		80,816	(1,620)	119,228	(110,585)
CASH FLOWS FROM FINANCING ACTIVITIES:
Series A convertible preferred stock, net of issuance costs		(53)	486,798	(103)	486,798
Repurchase of common stock		(117,646)	(284,081)	(234,886)	(284,081)
Payments of dividends to preferred stockholders		(3,750)		(7,500)
Proceeds from issuances of common stock under employee equity plans		276	436	14,740	14,302
Employee payroll taxes paid for net settlement of restricted stock units		(16,888)	(15,407)	(58,727)	(31,091)
Principal payments of finance lease liabilities		(7,913)	(12,623)	(19,416)	(25,885)
Other		(2,679)	(133)	(4,952)	(3,901)
Net cash (used in) provided by financing activities		(148,653)	174,990	(310,844)	156,142
Effect of exchange rate changes on cash, cash equivalents, and restricted cash		(3,146)	(209)	(11,647)	(420)
Net (decrease) increase in cash, cash equivalents, and restricted cash		(42,644)	217,953	(67,194)	184,701
Cash, cash equivalents, and restricted cash, beginning of period	[1]	392,338	562,259	416,888	595,511
Cash, cash equivalents, and restricted cash, end of period	[1]	$ 349,694	$ 780,212	$ 349,694	$ 780,212

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