Note 11 Revenue and Gross Profit by Segment (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Jul. 03, 2021 USD ($)	Jun. 27, 2020 USD ($)	Jul. 03, 2021 USD ($)	Jun. 27, 2020 USD ($)
Segment Reporting Information [Line Items]
Net sales		$ 1,657,741	$ 1,654,691	$ 5,112,667	$ 5,085,412
Gross profit		136,590	131,473	$ 420,923	373,776
Number of Reportable Segments				1
Operating Segments
Segment Reporting Information [Line Items]
Gross profit		140,586	134,575	$ 433,221	382,372
Operating Segments | IMS
Segment Reporting Information [Line Items]
Net sales		1,347,189	1,353,928	4,179,226	4,208,708
Gross profit		102,068	94,451	303,664	271,078
Operating Segments | CPS
Segment Reporting Information [Line Items]
Net sales		345,137	330,765	1,025,625	983,449
Gross profit		38,518	40,124	129,557	111,294
Intersegment revenue
Segment Reporting Information [Line Items]
Net sales		(34,585)	(30,002)	(92,184)	(106,745)
Unallocated items
Segment Reporting Information [Line Items]
Gross profit	[1]	$ (3,996)	$ (3,102)	$ (12,298)	$ (8,596)

[1] For purposes of evaluating segment performance, management excludes certain items from its measure of gross profit. These items consist of stock-based compensation expense, amortization of intangible assets, charges or credits resulting from distressed customers and litigation settlements.