Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Oct. 26, 2019	Jan. 26, 2019
Payables and Accruals [Abstract]
Accrued payroll and related taxes	$ 31,374	$ 25,591
Accrued employee benefit and incentive plan costs	22,189	25,482
Accrued construction costs	41,042	36,449
Other current liabilities	21,119	16,552
Other accrued liabilities	$ 115,724	$ 104,074