CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Feb. 28, 2014	Aug. 31, 2013
Treasury stock, shares	7,000,000	3,983,513
Common Class A
Common stock, par value	$ 0.20	$ 0.20
Common stock, shares authorized	168,000,000	168,000,000
Common stock, shares issued	78,169,316	77,001,144