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Income Taxes (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 11, 2015
Jul. 12, 2014
Income Tax Contingency [Line Items]    
Beginning balance $ 0 $ 0
Additions for current year tax positions 0 751
Additions for prior year tax positions 0 0
Settlements 0 0
Reductions or settlements 0 0
Reductions for prior year tax positions 0 0
Ending balance $ 0 $ 751