Reportable Segments, Geographic Information And Major Customers (Net Sales To Unaffiliated Customers And Long-Lived Assets) (Details) (USD $)	3 Months Ended								12 Months Ended
	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Segment Reporting, Additional Information about Entity's Reportable Segments									65284	108122	63697
Revenue, Net	$ 666,223,000	$ 620,505,000	$ 557,616,000	$ 533,905,000	$ 567,730,000	$ 571,945,000	$ 557,824,000	$ 530,532,000	$ 2,378,249,000	$ 2,228,031,000	$ 2,306,732,000
Elimination of inter-segment sales									(108,372,000)	(103,592,000)	(154,844,000)
Property, Plant and Equipment, Net	334,926,000				325,061,000				334,926,000	325,061,000
Long-lived assets exclusion	43,300,000				43,600,000				43,300,000	43,600,000
United States [Member]
Revenue, Net									1,188,068,000	1,004,153,000	1,156,347,000
Property, Plant and Equipment, Net	116,900,000				110,548,000				116,900,000	110,548,000
Malaysia [Member]
Revenue, Net									798,447,000	877,748,000	872,733,000
Property, Plant and Equipment, Net	73,568,000				83,732,000				73,568,000	83,732,000
China [Member]
Revenue, Net									334,056,000	268,551,000	237,632,000
Property, Plant and Equipment, Net	29,909,000				35,230,000				29,909,000	35,230,000
United Kingdom [Member]
Revenue, Net									72,443,000	81,657,000	60,313,000
Property, Plant and Equipment, Net	14,211,000				14,645,000				14,211,000	14,645,000
MEXICO
Revenue, Net									50,157,000	58,605,000	99,504,000
Property, Plant and Equipment, Net	33,671,000				5,610,000				33,671,000	5,610,000
Romania [Member]
Revenue, Net									39,030,000	38,117,000	33,835,000
Property, Plant and Equipment, Net	33,549,000				37,188,000				33,549,000	37,188,000
Other Foreign Entities [Member]
Property, Plant and Equipment, Net	5,280,000				5,463,000				5,280,000	5,463,000
Corporate [Member]
Segment Reporting, Additional Information about Entity's Reportable Segments									1702	4434	2981
Property, Plant and Equipment, Net	27,331,000				32,029,000				27,331,000	32,029,000
Germany Member
Revenue, Net									4,420,000	2,792,000	1,212,000
Property, Plant and Equipment, Net	$ 507,000				$ 616,000				$ 507,000	$ 616,000