Note 9 Revenue and Gross Profit by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Mar. 28, 2015		Mar. 29, 2014		Mar. 28, 2015		Mar. 29, 2014
Segment Reporting Information [Line Items]
Gross profit	$ 115,263		$ 118,967		$ 241,609		$ 229,752
Number of Reportable Segments					1		1
Operating Segments
Segment Reporting Information [Line Items]
Gross profit	117,214		120,942		249,688		233,602
Operating Segments | IMS
Segment Reporting Information [Line Items]
Revenues	1,228,682		1,146,609		2,605,516		2,296,319
Gross profit	81,836		79,598		182,743		160,621
Operating Segments | CPS
Segment Reporting Information [Line Items]
Revenues	340,948		386,251		693,285		735,474
Gross profit	35,378		41,344		66,945		72,981
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	(42,100)		(56,148)		(100,109)		(107,583)
Unallocated items (1)
Segment Reporting Information [Line Items]
Gross profit	$ (1,951)	[1]	$ (1,975)	[1]	$ (8,079)	[1]	$ (3,850)	[1]

[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.