Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jul. 02, 2022	Jul. 03, 2021
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES:
Net income	$ 191,397	$ 212,433
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	82,097	82,204
Stock-based compensation expense	29,045	26,147
Deferred income taxes	18,522	32,142
Equipment impairment	1,848	0
Gain on sale of intellectual property	0	(15,000)
Gain on liquidation of foreign entity	0	(8,263)
Other, net	(3,146)	(633)
Changes in operating assets and liabilities, net of amounts acquired:
Accounts receivable	(39,850)	(108,277)
Contract assets	(110,565)	51,487
Inventories	(559,118)	(22,606)
Prepaid expenses and other assets	(13,269)	(3,574)
Accounts payable	507,632	61,524
Accrued liabilities	144,363	(60,963)
Cash provided by operating activities	248,956	246,621
CASH FLOWS PROVIDED BY (USED IN) INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(90,398)	(43,424)
Proceeds from Sale of Property, Plant, and Equipment	8,339	702
Purchases of investments	(1,700)	(1,705)
Proceeds from sale of intellectual property	0	5,000
Cash paid for business acquisition, net of cash acquired	0	(21,408)
Cash used in investing activities	(83,759)	(60,835)
CASH FLOWS PROVIDED BY (USED IN) FINANCING ACTIVITIES:
Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security	(14,064)	(14,064)
Proceeds from revolving credit facility borrowings	926,500	399,600
Repayments of revolving credit facility borrowings	(926,500)	(399,600)
Net proceeds from stock issuances	1,474	2,754
Repurchases of common stock	(306,758)	(31,426)
Proceeds from collection of notes receivable	500	0
Cash used in financing activities	(318,848)	(42,736)
Effect of exchange rate changes	(3,070)	268
Increase (decrease) in cash and cash equivalents	(156,721)	143,318
Cash and cash equivalents at beginning of period	650,026	480,526
Cash and cash equivalents at end of period	493,305	623,844
Cash paid during the period for:
Interest, net of capitalized interest	12,155	11,477
Income taxes, net of refunds	33,801	24,462
Unpaid purchases of property, plant and equipment at the end of period	$ 28,831	$ 26,499