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Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 27, 2015
Sep. 28, 2014
Sep. 27, 2015
Sep. 28, 2014
Dec. 31, 2014
Other Intangible Assets          
Gross Carrying Amount $ 74,393   $ 74,393   $ 74,393
Accumulated Amortization (41,433)   (41,433)   (38,491)
Total amortization expense 32,960   32,960   35,902
Amortization expense 985 $ 1,046 2,942 $ 3,125  
Customer lists/relationships          
Other Intangible Assets          
Gross Carrying Amount 51,804   51,804   51,804
Accumulated Amortization (26,423)   (26,423)   (24,415)
Total amortization expense 25,381   25,381   27,389
Patents          
Other Intangible Assets          
Gross Carrying Amount 10,319   10,319   10,319
Accumulated Amortization (10,319)   (10,319)   (10,319)
Other intangibles          
Other Intangible Assets          
Gross Carrying Amount 12,270   12,270   12,270
Accumulated Amortization (4,691)   (4,691)   (3,757)
Total amortization expense $ 7,579   $ 7,579   $ 8,513