Restructuring Charges (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	9 Months Ended
	Sep. 30, 2012	Jul. 03, 2011 Person	Sep. 30, 2012 Person	Oct. 02, 2011
Restructuring Charges (Textual) [Abstract]
Restructuring and restructuring-related charges, excluding asset impairments and write-offs	$ 245		$ 3,384	$ 694
Elimination of workforce		30	250
Components and Sensors segment [Member]
Restructuring Charges (Textual) [Abstract]
Restructuring and restructuring-related charges, excluding asset impairments and write-offs		500	1,600
EMS [Member]
Restructuring Charges (Textual) [Abstract]
Restructuring and restructuring-related charges, excluding asset impairments and write-offs		200	$ 3,100