Note 9 Revenue and Gross Profit by Segment (Details) $ in Thousands		3 Months Ended
		Jan. 02, 2016 USD ($)	Dec. 27, 2014 USD ($)
Segment Reporting Information [Line Items]
Gross profit		$ 123,638	$ 126,346
Number of Reportable Segments		1	1
Operating Segments
Segment Reporting Information [Line Items]
Gross profit		$ 125,711	$ 132,474
Operating Segments | IMS
Segment Reporting Information [Line Items]
Revenues		1,239,268	1,376,834
Gross profit		95,609	100,907
Operating Segments | CPS
Segment Reporting Information [Line Items]
Revenues		345,648	352,337
Gross profit		30,102	31,567
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues		(50,202)	(58,009)
Unallocated items (1)
Segment Reporting Information [Line Items]
Gross profit	[1]	$ (2,073)	$ (6,128)

[1] For purposes of evaluating segment performance, management excludes certain items from its measures of gross profit. These items include stock-based compensation expense, amortization of intangible assets, charges or credits resulting from distressed customers and similar items that either occur infrequently or are of a non-operational nature.