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Consolidated Balance Sheets (unaudited) (Parenthetical) - $ / shares
May 30, 2015
Feb. 28, 2015
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.33 $ 0.33
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 28,996,209 28,958,119
Common stock, shares outstanding 28,996,209 28,958,119