Note 12 Revenue and Gross Profit by Segment (Details) $ in Thousands		3 Months Ended
		Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($)
Segment Reporting Information [Line Items]
Net sales		$ 1,840,171	$ 2,188,018
Gross profit		$ 134,882	149,337
Number of Reportable Segments		1
Operating Segments
Segment Reporting Information [Line Items]
Gross profit		$ 137,794	151,175
Operating Segments | IMS
Segment Reporting Information [Line Items]
Net sales		1,543,935	1,793,182
Gross profit		101,182	110,656
Operating Segments | CPS
Segment Reporting Information [Line Items]
Net sales		336,431	455,803
Gross profit		36,612	40,519
Intersegment revenue
Segment Reporting Information [Line Items]
Net sales		(40,195)	(60,967)
Unallocated items
Segment Reporting Information [Line Items]
Gross profit	[1]	$ (2,912)	$ (1,838)

[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 and charges or credits resulting from distressed customers.