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STOCK-BASED COMPENSATION - Summary of Activity for Nonvested Restricted Common Stock Awards (Details) (Non-vested restricted common stock, USD $)
9 Months Ended
Sep. 27, 2014
Non-vested restricted common stock
 
Shares  
Beginning Balance 2,974,148
Granted 573,000
Forfeited (50,000)
Vested (138,000)
Ending Balance 3,359,148
Weighted Average Grant Fair Value  
Beginning Balance $ 4.25
Granted $ 3.97
Forfeited $ 4.44
Vested $ 3.28
Ending Balance $ 4.25