Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Jul. 28, 2018	Jan. 27, 2018
Payables and Accruals [Abstract]
Accrued payroll and related taxes	$ 27,288	$ 23,010
Accrued employee benefit and incentive plan costs	16,552	16,097
Accrued construction costs	39,998	24,582
Other current liabilities	20,788	15,968
Total other accrued liabilities	$ 104,626	$ 79,657