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Share-Based Compensation (Tables)
 9 Months Ended
Apr. 27, 2018
Share-Based Compensation [Abstract]  
Components of Share-based Compensation
Total share-based compensation was comprised of the following for the specified periods:
 
  
Quarter Ended
  
Nine Months Ended
 
  
April 27,
2018
  
April 28,
2017
  
April 27,
2018
  
April 28,
2017
 
Nonvested stock awards
 
$
1,495
  
$
1,947
  
$
5,414
  
$
5,045
 
Performance-based market stock units (“MSU Grants”)
  
247
   
389
   
649
   
1,302
 
  
$
1,742
  
$
2,336
  
$
6,063
  
$
6,347