Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Feb. 06, 2022	Jan. 31, 2021	Feb. 02, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (143,259)	$ (282,076)	$ (200,987)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	83,151	70,042	89,710
Amortization of debt discount and debt issuance costs	31,577	29,070	27,179
Stock-based compensation expense	286,963	242,344	226,705
Impairment of long-lived assets	471	7,505	0
Other	13,075	7,340	1,336
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable, net	(81,247)	410	(79,442)
Inventory	4,118	(8,690)	2,393
Deferred commissions	(58,383)	(48,721)	(24,231)
Prepaid expenses and other assets	(25,788)	(33,982)	(16,734)
Operating lease right-of-use assets	29,952	28,804	26,511
Accounts payable	6,711	(14,364)	(18,856)
Accrued compensation and other liabilities	58,961	76,972	20,296
Operating lease liabilities	(32,351)	(27,318)	(25,377)
Deferred revenue	236,176	140,305	161,071
Net cash provided by operating activities	410,127	187,641	189,574
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(102,287)	(94,975)	(87,847)
Acquisitions, net of cash acquired	0	(339,641)	(51,594)
Purchase of intangible assets	0	0	(9,000)
Purchases of marketable securities	(617,043)	(573,959)	(795,580)
Sales of marketable securities	200,482	171,530	200,251
Maturities of marketable securities	366,165	423,936	419,059
Other	(600)	(5,000)	0
Net cash used in investing activities	(153,283)	(418,109)	(324,711)
CASH FLOWS FROM FINANCING ACTIVITIES
Net proceeds from exercise of stock options	48,709	59,339	42,899
Proceeds from issuance of common stock under employee stock purchase plan	36,641	32,439	43,298
Proceeds from borrowings, net of issuance costs	0	251,892	0
Principal payments on borrowing and finance lease obligations	(2,137)	0	0
Repayment of debt assumed from acquisition	0	0	(11,555)
Tax withholding on vesting of equity awards	(10,835)	(8,258)	(10,379)
Repurchases of common stock	(200,170)	(135,175)	(15,017)
Net cash provided by (used in) financing activities	(127,792)	200,237	49,246
Net (decrease) increase in cash, cash equivalents and restricted cash	129,052	(30,231)	(85,891)
Cash, cash equivalents and restricted cash, beginning of year	347,691	377,922	463,813
Cash, cash equivalents and restricted cash, end of year	476,743	347,691	377,922
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF YEAR
Cash and cash equivalents	337,147	362,635
Restricted cash	10,544	10,544	15,287
Cash, cash equivalents and restricted cash, end of year	476,743	347,691	377,922
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	5,019	2,279	718
Cash paid for income taxes	12,662	10,522	4,824
Cash paid for amounts included in the measurement of operating lease liabilities	36,648	36,980	32,785
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING INFORMATION
Property and equipment purchased but not yet paid	7,441	10,979	6,814
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	7,517	57,471	14,937
Fair value of equity awards assumed in an acquisition	$ 0	$ 8,802	$ 0