Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 30, 2024	Mar. 25, 2023
Cash flows from operating activities:
Net loss	$ (53,919)	$ (123,402)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	6,352	4,146
Foreign currency (gains)	(8)	(6)
(Gain) on investments	(8,745)	0
Provision for excess and obsolete inventory	34,276	6,160
Loss on disposal of assets	0	123
Stock-based compensation	57,527	84,763
Changes in operating assets and liabilities:
Accounts receivable	(58,461)	(121,137)
Inventories	(17,920)	(54,853)
Prepaid expenses and other current assets	(77,529)	25,372
Deferred expenses	(5,046)	(7,729)
Other long-term assets	(5,466)	(5,483)
Accounts payable	39,910	19,718
Accrued expenses and other current liabilities	(413)	34,583
Deferred revenue	69,694	263,464
Other long-term liabilities	10,670	6,645
Net cash provided by (used in) operating activities	(9,078)	132,364
Cash flows from investing activities:
Purchases of property and equipment	(4,661)	(13,007)
Capitalization of internal use software development costs	(1,203)	0
Proceeds from maturities of marketable securities	290,000	0
Purchases of marketable securities	(48,660)	(203,140)
Net cash provided by (used in) investing activities	235,476	(216,147)
Cash flows from financing activities:
Payment for taxes related to net share settlement of stock-based compensation awards	(3,181)	(11,713)
Net proceeds from issuance of common stock under employee stock purchase plan	3,435	987
Proceeds from issuance of Class A Common Stock	257,985	0
Proceeds from exercise of warrants	158,702	0
Net cash provided by (used in) financing activities	416,941	(10,726)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(15)	138
Net increase (decrease) in cash, cash equivalents, and restricted cash	643,324	(94,371)
Cash, cash equivalents, and restricted cash — beginning of period	260,918	353,457
Cash, cash equivalents, and restricted cash — end of period	904,242	259,086
Non-cash activities:
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	5,818	0
Transfer of equipment from deferred cost to property and equipment	$ 38,454	$ 0