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Consolidated Balance Sheets (Parenthetical) - $ / shares
shares in Thousands
Nov. 30, 2019
Aug. 31, 2019
Preferred stock, without par value $ 0 $ 0
Preferred stock, shares authorized 25,000 25,000
Preferred stock, outstanding
Common stock, without par value $ 0 $ 0
Common stock, shares authorized 50,000 50,000
Common stock, shares outstanding 32,596 32,488