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COMPENSATION PLANS (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Aggregate intrinsic value of options outstanding $ 2,800   $ 2,800  
Stock-based compensation 1,300 1,200 2,659 2,104
Issued restricted stock 500   2,300  
Issued restricted stock, shares 10,382   42,078  
Total compensation cost $ 1,300 $ 1,100 $ 2,500 $ 1,900
Stock Incentive Plan 2007 [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares reserved for future issuance 2,550,000   2,550,000  
Shares available for future grants 798,000   798,000