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Earnings Per Share Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 02, 2016
Jul. 04, 2015
Jul. 02, 2016
Jul. 04, 2015
Earnings Per Share [Abstract]        
Net income $ (3,144) $ 2,870 $ (9,289) $ (6,075)
Basic weighted shares outstanding 8,895 8,739 8,886 8,728
Dilutive effect of share-based awards   47    
Diluted weighted average shares outstanding 8,895 8,786 8,886 8,728
Basic earnings per share (in dollars per share)   $ 0.33    
Diluted earnings per share (in dollars per share)   $ 0.33