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CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares
Aug. 31, 2024
May 31, 2024
Aug. 31, 2023
Preferred stock at par value per share (in dollars per share) $ 1.00 $ 1.00 $ 1.00
Preferred stock, shares authorized (in shares) 2,000,000.0 2,000,000.0 2,000,000.0
Preferred stock, shares issued (in shares) 0 0 0
Preferred stock, shares outstanding (in shares) 0 0 0
Common Stock, par value per share (in dollars per share) $ 0.01 $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 70,000,000.0 70,000,000.0 70,000,000.0
Common stock, shares issued (in shares) 42,900,000 42,900,000 42,900,000
Common stock, shares outstanding (in shares) 27,300,000 27,400,000 29,300,000
Treasury stock (in shares) 15,600,000 15,500,000 13,600,000
Common Class A      
Common Stock, par value per share (in dollars per share) $ 0.01 $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 3,200,000 3,200,000 4,000,000.0
Common stock, shares issued (in shares) 800,000 800,000 1,700,000
Common stock, shares outstanding (in shares) 800,000 800,000 1,700,000