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Revenue Recognition (Tables)
9 Months Ended
Sep. 28, 2013
Revenue Recognition  
Schedule of reimbursable expenses included in revenues

Reimbursable expenses are as follows (in thousands):

 
  Quarter Ended   Fiscal Year to Date
Period Ended
 
 
  September 28,
2013
  September 29,
2012
  September 28,
2013
  September 29,
2012
 

Reimbursable expenses

  $ 9,521   $ 7,956   $ 26,929   $ 25,070