Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	May 02, 2021	May 03, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (84,206)	$ (90,594)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	18,826	15,133
Amortization of debt discount and debt issuance costs	7,403	6,936
Stock-based compensation expense	61,334	58,694
Other	2,621	1,705
Changes in operating assets and liabilities:
Accounts receivable, net	133,380	109,441
Inventory	(3,508)	(1,370)
Deferred commissions	2,049	(3,159)
Prepaid expenses and other assets	(30,407)	(6,298)
Operating lease right-of-use assets	7,581	6,706
Accounts payable	(24,354)	(14,294)
Accrued compensation and other liabilities	(84,837)	(49,643)
Operating lease liabilities	(6,897)	(6,926)
Deferred revenue	22,463	8,772
Net cash provided by operating activities	21,448	35,103
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(27,829)	(23,782)
Purchases of marketable securities	(171,563)	(98,161)
Sales of marketable securities	85,537	17,657
Maturities of marketable securities	65,740	95,375
Net cash used in investing activities	(48,115)	(8,911)
CASH FLOWS FROM FINANCING ACTIVITIES
Net proceeds from exercise of stock options	8,016	9,275
Proceeds from issuance of common stock under employee stock purchase plan	17,726	16,021
Proceeds from borrowing	0	4,950
Repayments of borrowing	(344)	0
Tax withholding on vesting of equity awards	(5,050)	(1,374)
Repurchases of common stock	(30,020)	(70,119)
Net cash used in financing activities	(9,672)	(41,247)
Net decrease in cash, cash equivalents and restricted cash	(36,339)	(15,055)
Cash, cash equivalents and restricted cash, beginning of period	347,691	377,922
Cash, cash equivalents and restricted cash, end of period	311,352	362,867
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	1,455	359
Cash paid for income taxes	3,750	2,376
Cash paid for amounts included in the measurement of lease liabilities	8,820	8,688
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING INFORMATION
Property and equipment purchased but not yet paid	8,366	8,274
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	$ 2,495	$ 10,812