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Income Taxes (Tables)
6 Months Ended
Jul. 04, 2015
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 4, 2015 and June 28, 2014 (in thousands):

   July 4, 2015 June 28, 2014
Balance at the beginning of the period $ 19,596 $ 24,716
 Net changes in uncertain tax benefits   57   (1,952)
Balance at the end of the period $ 19,653 $ 22,764