Segment Information (Narrative) (Details)	3 Months Ended		9 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 28, 2012	Sep. 30, 2011
Segment Reporting, Measurement Disclosures [Abstract]
Number Of Customers With Greater Than Ten Percent Of Total Revenue	0	0	0	0
Number Of Segments	4		4
Customers Revenue As A Percentage Of Total Revenue	10.00%	10.00%		10.00%