Supplemental Financial Information - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Apr. 03, 2018	Jan. 02, 2018
Supplemental Financial Information [Abstract]
Occupancy related	$ 4,342	$ 3,733
Utilities	1,618	1,705
Data breach liabilities	7,605	7,605
Other accrued expenses	3,933	4,100
Accrued liabilities, current	$ 20,893	$ 21,221