Note 11 Revenue and Gross Profit by Segment (Details) $ in Thousands		3 Months Ended
		Jan. 02, 2021 USD ($)	Dec. 28, 2019 USD ($)
Segment Reporting Information [Line Items]
Net sales		$ 1,755,249	$ 1,840,171
Gross profit		$ 141,235	134,882
Number of Reportable Segments		1
CPS
Segment Reporting Information [Line Items]
Gross profit		$ 40,000
Operating Segments
Segment Reporting Information [Line Items]
Gross profit		146,204	137,794
Operating Segments | IMS
Segment Reporting Information [Line Items]
Net sales		1,462,100	1,543,935
Gross profit		106,566	101,182
Operating Segments | CPS
Segment Reporting Information [Line Items]
Net sales		319,416	336,431
Gross profit		39,638	36,612
Intersegment revenue
Segment Reporting Information [Line Items]
Net sales		(26,267)	(40,195)
Unallocated items
Segment Reporting Information [Line Items]
Gross profit	[1]	$ (4,969)	$ (2,912)

[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, charges or credits resulting from distressed customers and litigation settlements.