Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Apr. 28, 2018	Jan. 27, 2018
Payables and Accruals [Abstract]
Accrued payroll and related taxes	$ 25,522	$ 23,010
Accrued employee benefit and incentive plan costs	10,010	16,097
Accrued construction costs	34,769	24,582
Other current liabilities	16,670	15,968
Total other accrued liabilities	$ 86,971	$ 79,657