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STOCK-BASED COMPENSATION - Employee Stock Purchase Plan (Details) - Employee stock purchase plan - USD ($)
$ in Millions
6 Months Ended
Jun. 26, 2015
Jun. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
ESPP shares reserved for purchase 1,000,000  
Maximum employee subscription rate 10.00%  
Purchase price of common stock, percent of market value 85.00%  
Employee stock purchase plan requisite service period 1 month  
Stock Issued During Period, Shares, Employee Stock Purchase Plans 34,000 30,000
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options $ 0.7 $ 0.7