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Income Taxes (Changes in Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Reconciliation of Unrecognized Tax Benefits [Roll Forward]    
Unrecognized tax benefits, beginning balance $ 2,226 $ 2,226
Gross decreases – tax positions in prior period 0 0
Gross decreases – expiration of applicable statute of limitations 0 0
Unrecognized tax benefits, ending balance $ 2,226 $ 2,226