Restatement of Condensed Consolidated Financial Statements - Condensed Consolidated Statements of Income (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2023	Apr. 02, 2022	Apr. 01, 2023	Apr. 02, 2022
Restatement of Condensed Consolidated Financial Statements
Net sales	$ 2,320,103	$ 1,915,070	$ 4,675,911	$ 3,671,396
Cost of sales	2,128,914	1,768,575	4,289,336	3,383,604
Gross profit	191,189	146,495	386,575	287,792
Operating expenses:
Selling, general and administrative	63,390	61,817	124,120	123,292
Research and development	6,394	5,472	11,993	10,249
Restructuring and other	804	2,932	1,435	4,346
Gain on sale of long-lived assets	0	0	0	(4,610)
Total operating expenses	70,588	70,221	137,548	133,277
Operating income	120,601	76,274	249,027	154,515
Interest income	2,539	349	5,472	658
Interest expense	(9,286)	(4,870)	(17,967)	(9,747)
Other income (expense), net	(2,768)	(1,408)	(9,480)	664
Interest and other, net	(9,515)	(5,929)	(21,975)	(8,425)
Income before income taxes	111,086	70,345	227,052	146,090
Provision for income taxes	25,779	21,724	46,631	41,292
Net Income	85,307	48,621	180,421	104,798
Less: Net income attributable to noncontrolling interest	5,686	0	8,786	0
Net income attributable to common shareholders	$ 79,621	$ 48,621	$ 171,635	$ 104,798
Net income per share:
Basic	$ 1.37	$ 0.77	$ 2.96	$ 1.65
Diluted	$ 1.33	$ 0.76	$ 2.87	$ 1.60
Weighted average shares used in computing per share amounts:
Basic	58,269	62,845	57,999	63,622
Diluted	59,819	64,271	59,863	65,365
Previously Reported
Restatement of Condensed Consolidated Financial Statements
Net sales		$ 1,911,530		$ 3,668,855
Cost of sales		1,759,083		3,371,919
Gross profit		152,447		296,936
Operating expenses:
Selling, general and administrative		61,817		123,292
Research and development		5,472		10,249
Restructuring and other		2,932		4,346
Gain on sale of long-lived assets				(4,610)
Total operating expenses		70,221		133,277
Operating income		82,226		163,659
Interest income		349		658
Interest expense		(4,870)		(9,747)
Other income (expense), net		(1,408)		664
Interest and other, net		(5,929)		(8,425)
Income before income taxes		76,297		155,234
Provision for income taxes		23,077		43,380
Net Income		$ 53,220		$ 111,854
Net income per share:
Basic		$ 0.85		$ 1.76
Diluted		$ 0.83		$ 1.71
Weighted average shares used in computing per share amounts:
Basic		62,845		63,622
Diluted		64,271		65,365
Investigation Adjustments
Restatement of Condensed Consolidated Financial Statements
Net sales		$ 3,540		$ 2,541
Cost of sales		9,492		11,685
Gross profit		(5,952)		(9,144)
Operating expenses:
Operating income		(5,952)		(9,144)
Income before income taxes		(5,952)		(9,144)
Provision for income taxes		(1,353)		(2,088)
Net Income		$ (4,599)		$ (7,056)
Net income per share:
Basic		$ (0.08)		$ (0.11)
Diluted		$ (0.07)		$ (0.11)