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Acquisitions (Details) (USD $)
3 Months Ended 9 Months Ended
Apr. 12, 2013
Companhia Brasileira de Tecnologia Industrial (CBTI) [Member]
May 03, 2013
Noss Group (Noss) [Member]
Sep. 28, 2013
Acquisitions [Member]
Sep. 28, 2013
Acquisitions [Member]
Business Acquisition [Line Items]        
Cash Paid to Acquire Entity $ 8,140,000 $ 6,708,000    
Escrow Deposit 3,550,000 1,970,000    
Future Escrow Deposit Disbursements 1,520,000      
Retained For Redundancy Payments   1,170,000    
Cash Acquired 1,123,000      
Intercompany Liability Assumed 484,000      
Acquisition transaction costs       780,000
Identifiable intangible assets acquired     1,938,000 1,938,000
Weighted average useful life of acquired intangible assets     7 years  
Total goodwill acquired     $ 2,159,000 $ 2,159,000