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Consolidated Balance Sheets (Parenthetical) - $ / shares
Apr. 27, 2019
Apr. 28, 2018
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 300,000,000 300,000,000
Common stock, shares issued 112,782,000 112,238,000
Treasury stock, shares 39,745,000 39,585,000