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Income Taxes Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($)
12 Months Ended
Dec. 28, 2016
Dec. 30, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balance, beginning of year $ 0 $ 0
Increases related to current-year tax positions 1,180,000 0
Balance, end of year 1,180,000 0
Interest and penalties recognized on unrecognized tax benefits $ 0 $ 0