Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Jul. 30, 2016	Jul. 25, 2015
Payables and Accruals [Abstract]
Accrued payroll and related taxes	$ 23,908	$ 18,673
Accrued employee benefit and incentive plan costs	40,943	29,528
Accrued construction costs	41,123	26,395
Other current liabilities	16,328	14,894
Total other accrued liabilities	$ 122,302	$ 89,490