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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares
Jul. 18, 2015
Jan. 03, 2015
Statement Of Financial Position [Abstract]    
Common stock, par value $ 0 $ 0
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares outstanding 37,517,000 37,524,000
Preferred stock, par value $ 0 $ 0
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares outstanding 0 0