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Stock-Based Compensation - Schedule of Restricted Stock and Restricted Stock Units Activity (Details)
shares in Thousands
9 Months Ended
Sep. 27, 2015
$ / shares
shares
Number of Shares  
Nonvested at beginning of period, (in shares) 650
Granted, (in shares) 322
Vested, (in shares) (80)
Forfeited, (in shares) (52)
Nonvested at end of period, (in shares) 840
Weighted Average Grant Date Fair Value  
Nonvested at beginning of period, (in dollars per share) | $ / shares $ 3.47
Granted, (in dollars per share) | $ / shares 1.85
Vested, (in dollars per share) | $ / shares 1.83
Forfeited, (in dollars per shares) | $ / shares 0.00
Nonvested at end of period, (in dollars per share) | $ / shares $ 3.03