Note 10 Revenue and Gross Profit by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Mar. 29, 2014		Mar. 30, 2013		Mar. 29, 2014		Mar. 30, 2013
Segment Reporting Information [Line Items]
Gross profit	$ 118,967		$ 100,304		$ 229,752		$ 197,232
Number of Reportable Segments					1		1
Operating Segments
Segment Reporting Information [Line Items]
Gross profit	120,942		101,916		233,602		203,204
Operating Segments | IMS
Segment Reporting Information [Line Items]
Revenues	1,146,609		1,157,554		2,296,319		2,359,619
Gross profit	79,598		66,424		160,621		136,313
Operating Segments | CPS
Segment Reporting Information [Line Items]
Revenues	386,251		319,490		735,474		649,601
Gross profit	41,344		35,492		72,981		66,891
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	(56,148)		(49,402)		(107,583)		(86,633)
Unallocated items (1)
Segment Reporting Information [Line Items]
Gross profit	$ (1,975)	[1]	$ (1,612)	[1]	$ (3,850)	[1]	$ (5,972)	[1]

[1] Represents amounts associated with items that management excludes from its measure of gross profit shown above. 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.