UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020
Cash flows from operating activities:
Net loss	$ (427,202)	$ (293,834)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	189,677	149,922
Share-based compensation	325,922	182,060
Amortization of acquired intangible assets	684,593	333,934
Amortization of inventory fair value adjustment associated with acquisitions	191,030	17,284
Amortization of deferred debt issuance costs and debt discounts	19,031	3,217
Restructuring related impairment charges	5,205	123,559
Other expense, net	60,053	19,448
Deferred income taxes	(67,570)	415
Changes in assets and liabilities, net of acquisition:
Accounts receivable	(341,444)	2,075
Prepaid expenses and other assets	(65,339)	(8,692)
Inventories	(200,675)	29,817
Accounts payable	93,788	34,768
Accrued employee compensation	12,980	38,202
Accrued liabilities and other non-current liabilities	(7,004)	26,817
Net cash provided by operating activities	473,045	658,992
Cash flows from investing activities:
Purchases of technology licenses	(9,371)	(8,476)
Purchases of property and equipment	(130,483)	(88,242)
Acquisitions, net of cash acquired	(3,539,729)	0
Other, net	(2,457)	223
Net cash used in investing activities	(3,682,040)	(96,495)
Cash flows from financing activities:
Repurchases of common stock	0	(25,202)
Proceeds from employee stock plans	42,784	50,490
Tax withholding paid on behalf of employees for net share settlement	(169,001)	(82,626)
Dividend payments to stockholders	(140,318)	(120,111)
Payments on technology license obligations	(97,858)	(76,794)
Proceeds from issuance of debt	3,806,096	0
Principal payments of debt	(425,938)	(100,000)
Payment for repurchases and settlement of convertible notes	(181,207)	0
Proceeds from capped calls	160,319	0
Payment of equity and debt financing costs	(11,850)	(22,313)
Other, net	1,003	(1,504)
Net cash provided by (used in) financing activities	2,984,030	(378,060)
Net increase (decrease) in cash and cash equivalents	(224,965)	184,437
Cash and cash equivalents at beginning of period	748,467	647,604
Cash and cash equivalents at end of period	$ 523,502	$ 832,041