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Other Income, Net (Details) - USD ($)
$ in Thousands
3 Months Ended
Oct. 24, 2015
Oct. 25, 2014
Other Income and Expenses [Abstract]    
Gain on sale of fixed assets $ 1,136 $ 1,523
Miscellaneous income, net 333 272
Total other income, net $ 1,469 $ 1,795