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Related Party Transactions (Tables)
 12 Months Ended
Jul. 25, 2015
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions
Expenses under these arrangements for fiscal 2015, 2014, and 2013 were as follows:

 
Fiscal Year Ended
 
2015
 
2014
 
2013
 
(Dollars in thousands)
Real property and equipment leases
$
2,722

 
$
1,685

 
$
1,862

Subcontractors and materials expense
$
2,532

 
$
2,069

 
$
700