Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Jan. 25, 2020	Jan. 26, 2019
Payables and Accruals [Abstract]
Accrued payroll and related taxes	$ 27,959	$ 25,591
Accrued employee benefit and incentive plan costs	23,340	25,482
Accrued construction costs	27,690	36,449
Other current liabilities	19,786	16,552
Other accrued liabilities	$ 98,775	$ 104,074