Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES:
Net income before noncontrolling interest	$ 141,399	$ 115,673
Adjustments to reconcile net income before noncontrolling interest to cash provided by (used in) operating activities:
Depreciation	60,053	61,000
Stock-based compensation expense	31,082	27,236
Deferred income taxes	4,534	7,959
Other, net	(541)	1,624
Changes in operating assets and liabilities:
Accounts receivable	(48,214)	92,339
Contract assets	(552)	(3,662)
Inventories	(105,066)	94,341
Prepaid expenses and other assets	22,367	(3,984)
Accounts payable	(95,801)	(172,761)
Deferred revenue and customer advances	228,430	17,128
Accrued liabilities and other	(16,895)	(38,551)
Cash provided by operating activities	220,796	198,342
CASH FLOWS PROVIDED BY (USED IN) INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(47,796)	(63,827)
Purchases of investments	14,640	1,300
Proceeds from sale of investments	49,309	0
Other, net	228	0
Cash used in investing activities	(12,899)	(65,127)
CASH FLOWS PROVIDED BY (USED IN) FINANCING ACTIVITIES:
Repayments of borrowings	(8,750)	(17,195)
Proceeds from revolving credit facility borrowings	400,700	1,410,300
Repayments of revolving credit facility borrowings	(400,700)	(1,410,300)
Net proceeds from stock issuances	0	293
Repurchases of common stock	(100,453)	(107,898)
Payments for tax withholding on stock-based compensation	(37,655)	(25,491)
Cash used in financing activities	(146,858)	(150,291)
Effect of exchange rate changes	(179)	364
Increase (decrease) in cash, cash equivalents and restricted cash equivalents	60,860	(16,712)
Cash, cash equivalents and restricted cash equivalents at beginning of period	625,860	667,570
Cash, cash equivalents and restricted cash equivalents at end of period	686,720	650,858
Cash paid during the period for:
Interest, net of capitalized interest	8,613	15,143
Income taxes, net of refunds	35,051	38,550
Unpaid purchases of property, plant and equipment at the end of period	$ 22,298	$ 30,598