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Consolidated Balance Sheets (Parentheticals) - $ / shares
Jun. 30, 2021
Jun. 30, 2020
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 1,055,000 1,055,000
Preferred stock, shares issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 150,000,000 150,000,000
Common stock, shares issues (in shares) 49,240,000 49,053,000
Common stock, shares outstanding (in shares) 25,237,000 25,053,000
Treasury stock, shares (in shares) 24,003,000 24,000,000