CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Jun. 28, 2025	Jun. 29, 2024
Cash flows from operating activities
Net income (loss)	$ (23,286)	$ 14,947
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation expense	64,789	64,961
Depreciation and amortization	48,657	35,154
Provision for inventory obsolescence	9,242	2,005
Restructuring and other charges	6,323	266
Deferred income taxes	942	819
Other	2,432	2,973
Foreign currency transaction loss (gain)	572	(2,750)
Changes in operating assets and liabilities:
Accounts receivable	(49,010)	(64,218)
Inventories	106,223	189,613
Other assets	11,616	(15,285)
Accounts payable and accrued expenses	(55,341)	(16,942)
Accrued compensation	10,352	10,251
Deferred revenue	(1,033)	1,685
Other liabilities	1,470	4,161
Net cash provided by operating activities	133,948	227,640
Cash flows from investing activities
Purchases of marketable securities	(43,949)	(68,676)
Purchases of property and equipment	(23,418)	(39,477)
Maturities of marketable securities	43,200	20,000
Net cash used in investing activities	(24,167)	(88,153)
Cash flows from financing activities
Payments for repurchase of common stock, including excise tax and commission	(60,602)	(128,739)
Payments for repurchase of common stock related to shares withheld for tax in connection with vesting of stock awards	(20,754)	(20,757)
Proceeds from exercise of common stock options	2,653	16,312
Net cash used in financing activities	(78,703)	(133,184)
Effect of exchange rate changes on cash and cash equivalents	463	580
Net increase in cash and cash equivalents	31,541	6,883
Cash and cash equivalents
Beginning of period	169,732	220,231
End of period	201,273	227,114
Supplemental disclosure
Cash paid for interest	197	195
Cash paid for taxes, net of refunds	19,065	17,134
Cash paid for amounts included in the measurement of lease liabilities, net of tenant improvement reimbursements received	3,460	9,637
Supplemental disclosure of non-cash investing and financing activities
Purchases of property and equipment in accounts payable and accrued expenses	2,155	9,910
Right-of-use assets obtained in exchange for new operating lease liabilities	1,491	11,277
Excise tax on share repurchases, accrued but not paid	$ 187	$ 691