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Employee Savings Plans (Tables)
 12 Months Ended
Jul. 28, 2017
Employee Savings Plans [Abstract]  
Schedule of Contributions for Each Plan
The following table summarizes the Company’s contributions for each plan for each of the three years:

  
2017
  
2016
  
2015
 
401(k) Savings Plan
 
$
2,501
  
$
2,528
  
$
2,364
 
Non-Qualified Savings Plan
  
291
   
296
   
234