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Income Taxes (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Jan. 02, 2016
Dec. 27, 2014
Dec. 28, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period $ 0 $ 2,090 $ 2,691
Valuation Allowances and Reserves, Charged to Cost and Expense 424 1,045 1,571
Valuation Allowances and Reserves, Charged to Other Accounts 0    
Valuation Allowances and Reserves, Deductions   2,090 601
Balance at End of Period $ 0 $ 0 $ 2,090