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Summary of Significant Accounting Policies - Discontinued Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 02, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Description of Business        
Proceeds from sale of EMS business   $ 0 $ 0 $ 75,000
Electronics Manufacturing Solutions        
Description of Business        
Proceeds from sale of EMS business $ 75,000