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Income Taxes (Tables)
6 Months Ended
Jul. 02, 2016
Income Taxes [Abstract]  
Unrecognized Tax Benefits Roll Forward

The following is a summary of the activity of the Company's unrecognized tax benefits for the six months ended July 2, 2016 and July 4, 2015 (in thousands):

   July 2, 2016 July 4, 2015
Balance at the beginning of the period $ 14,450 $ 19,596
 Net changes in uncertain tax benefits   (2,563)   57
Balance at the end of the period $ 11,887 $ 19,653