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Restructuring and Related Charges Restructuring and Related Charges, COS & OPEX (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Apr. 01, 2016
Restructuring and Related Activities [Abstract]    
Production Related Impairments or Charges $ 508  
Production Related Impairment Cost Recovery   $ (29)
Restructuring Charges 1,279 2,612
Restructuring and Related Cost, Incurred Cost $ 1,787 $ 2,583