Note 9 Revenue and Gross Profit by Segment (Details) $ in Thousands		3 Months Ended
		Dec. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting Information [Line Items]
Net sales		$ 1,744,800	$ 1,719,977
Gross profit		$ 109,466	132,162
Number of Reportable Segments		1
Operating Segments
Segment Reporting Information [Line Items]
Gross profit		$ 112,483	135,926
Operating Segments | IMS
Segment Reporting Information [Line Items]
Net sales		1,428,847	1,414,270
Gross profit		82,617	102,637
Operating Segments | CPS
Segment Reporting Information [Line Items]
Net sales		356,729	351,074
Gross profit		29,866	33,289
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales		(40,776)	(45,367)
Unallocated items (1)
Segment Reporting Information [Line Items]
Gross profit	[1]	$ (3,017)	$ (3,764)

[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 acquisition-related item.