Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Jul. 25, 2015	Jul. 26, 2014
Payables and Accruals [Abstract]
Accrued payroll and related taxes	$ 18,673	$ 18,429
Accrued employee benefit and incentive plan costs	29,528	17,677
Accrued construction costs	26,395	20,689
Accrued interest and related bank fees	865	872
Income taxes payable	8,916	5,223
Other current liabilities	14,029	13,244
Total other accrued liabilities	$ 98,406	$ 76,134