Supplemental Financial Information - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jul. 03, 2018	Jan. 02, 2018
Supplemental Financial Information [Abstract]
Gift card liability	$ 2,766	$ 4,078
Occupancy related	4,283	3,733
Utilities	1,670	1,705
Data breach liabilities	11,016	7,605
Other accrued expenses	4,825	4,100
Accrued liabilities, current	$ 24,560	$ 21,221