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Condensed Consolidated Balance Sheet (Parenthetical) - $ / shares
shares in Thousands
Jun. 28, 2015
Dec. 28, 2014
Consolidated Balance Sheets    
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares issued 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares issued 43,684 43,331
Treasury stock, shares 4,290 3,549