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Stock-Based Compensation (Details 4)
shares in Thousands
3 Months Ended
Apr. 01, 2016
shares
Restricted Stock [Member]  
Outstanding at January 1, 2016 124
Granted 0
Vested (124)
Forfeited 0
Outstanding at April 1, 2016 0
Restricted Stock Units (RSUs) [Member]  
Outstanding at January 1, 2016 339
Granted 233
Vested (380)
Forfeited (4)
Outstanding at April 1, 2016 188