Summary of Significant Accounting Policies (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
Inventory Valuation Allowance [Roll Forward]
Balance at beginning of period	$ 5,251	$ 5,280	$ 6,608
Valuation Allowances and Reserves, Charged to Cost and Expense	424	1,045	1,571
Valuation Allowances and Reserves, Deductions		2,090	601
Balance at end of period	$ 3,922	$ 5,251	$ 5,280