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COMPENSATION PLANS (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Apr. 30, 2007
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 686 $ 632  
Stock Incentive Plan 2007 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares reserved for future issuance     2,550,000
Shares available for future grants 369,000    
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Restricted stock units issued 102,500    
Total compensation costs $ 2,700    
Compensation expense recognized $ 700 $ 600