Restructuring Charges (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012 employee	Dec. 31, 2011 employee	Dec. 31, 2010 employee
Restructuring Cost and Reserve [Line Items]
Employee termination costs	$ 1,500,000	$ 2,400,000	$ 4,200,000
Number of employees reduced in connection with workforce of certain facilities	139	196	751
Americas [Member]
Restructuring Cost and Reserve [Line Items]
Number of employees reduced in connection with workforce of certain facilities	68	107	286
Asia [Member]
Restructuring Cost and Reserve [Line Items]
Number of employees reduced in connection with workforce of certain facilities	61	38	421
Europe [Member]
Restructuring Cost and Reserve [Line Items]
Number of employees reduced in connection with workforce of certain facilities	10	51	44
Lease Facility Costs [Member]
Restructuring Cost and Reserve [Line Items]
Facility lease obligations		2,000,000	500,000
Other exit costs		500,000	1,200,000
Asset impairments associated with the closure of certain leased facilities		$ 400,000	$ 200,000