Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.8.0.1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Aug. 31, 2017
Aug. 31, 2016
Treasury stock, shares 20,439,434 20,439,434
Common stock, par value $ 0.20  
Common stock, shares authorized 168,000,000  
Common stock, shares issued 80,200,110 79,393,393
Common Class A    
Common stock, par value $ 0.2  
Common stock, shares authorized 168,000,000  
Common stock, shares issued 80,200,110