CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2015	Jun. 30, 2014
Common Class A
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	1,300,000,000	1,300,000,000
Common stock, shares issued	418,530,857	412,590,913
Common stock, shares outstanding	227,836,200	234,156,400
Treasury stock, shares	190,694,630	178,434,483
Common Class B
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	304,000,000	304,000,000
Common stock, shares issued	147,046,137	148,728,082
Common stock, shares outstanding	147,046,137	148,728,082