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Restructuring (Schedule of Restructuring and Related Costs) (Details) - Electronics [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve, Beginning Balance $ 733 $ 780 $ 765
Charge to expense 183 494 469
Foreign currency translation effect 3 (45) 24
Cash payments (461) (496) (478)
Restructuring Reserve, Ending Balance $ 458 $ 733 $ 780