CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES:
Net income	$ 240,384	$ 249,546	$ 133,169
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	108,783	109,656	114,218
Stock-based compensation expense	39,608	34,976	26,235
Deferred income taxes	27,910	28,375	11,772
Impairment of goodwill and other assets	1,848		8,409
Loss (Gain) on sale of intellectual property	7,000	(15,000)
Gain on liquidation of foreign entity		(8,263)
Other, net	1,260	(1,371)	(239)
Changes in operating assets and liabilities, net of amounts acquired:
Accounts receivable	47,483	(145,810)	81,914
Contract assets	(143,531)	54,479	9,631
Inventories	(651,118)	(157,278)	24,377
Prepaid expenses and other assets	(31,700)	(5,780)	17,092
Accounts payable	558,828	243,834	(106,640)
Accrued liabilities	124,099	(49,022)	(19,383)
Cash provided by operating activities	330,854	338,342	300,555
CASH FLOWS PROVIDED BY (USED IN) INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(138,639)	(73,296)	(65,982)
Proceeds from sales of property, plant and equipment	8,425	1,084	1,573
Purchases of investments	(2,000)	(2,705)	(30,000)
Sale of investments			30,000
Cash paid for business acquisition, net of cash acquired		(21,408)
Proceeds from sale of intellectual property		5,000
Cash used in investing activities	(132,214)	(91,325)	(64,409)
CASH FLOWS PROVIDED BY (USED IN) FINANCING ACTIVITIES:
Proceeds from revolving credit facility borrowings	1,874,000	399,600	1,909,000
Repayments of revolving credit facility borrowings	(1,874,000)	(399,600)	(1,909,000)
Repayments of long-term debt	(332,814)	(18,752)	(39,048)
Proceeds from issuance of long-term debt	350,000
Debt issuance costs	(3,263)
Net proceeds from stock issuances	2,379	2,993	7,793
Repurchases of common stock	(331,101)	(64,059)	(179,025)
Proceeds from collection of notes receivable	500	2,500
Cash used in financing activities	(314,299)	(77,318)	(210,280)
Effect of exchange rate changes	(4,510)	(199)	(81)
Increase (decrease) in cash and cash equivalents	(120,169)	169,500	25,785
Cash and cash equivalents at beginning of year	650,026	480,526	454,741
Cash and cash equivalents at end of year	529,857	650,026	480,526
Cash paid during the year:
Interest, net of capitalized interest	18,243	15,264	20,477
Income taxes, net of refunds	48,131	33,358	30,700
Unpaid purchases of property, plant and equipment at end of period	$ 38,570	$ 20,929	$ 12,371