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CONTINGENT LIABILITIES (Narrative) (Details)
$ in Millions
6 Months Ended 12 Months Ended
Jul. 01, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]      
Number of lawsuits against the company 4    
Minimum limit of per claim for providing insurance coverage on annual basis $ 5.0    
Maximum limit of aggregate loss incurred annually for providing insurance coverage on annual basis $ 10.0    
Total amount of damages claimed   $ 0.1 $ 0.1