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ACCRUED WARRANTY (Details)
6 Months Ended
Jul. 01, 2017
USD ($)
Product Warranties Disclosures [Abstract]  
Product warranty term 12 months
Movement in Standard Product Warranty Accrual [Roll Forward]  
Beginning Balance $ 518,000
Additions 231,000
Warranty Additions from Acquisitions 219,000
Claim and reversals (114,000)
Ending Balance $ 854,000