Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.10.0.1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Aug. 31, 2018
Aug. 31, 2017
Treasury stock, shares 20,439,434 20,439,434
Common stock, par value $ 0.20 $ 0.20
Common stock, shares authorized 168,000,000 168,000,000
Common stock, shares issued 81,423,584 80,200,110
Common Class A    
Common stock, par value $ 0.2  
Common stock, shares authorized 168,000,000  
Common stock, shares issued 81,423,584