COMMON STOCK (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended			0 Months Ended						12 Months Ended			0 Months Ended	2 Months Ended	0 Months Ended						12 Months Ended			0 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 17, 2013 Common Class A	May 01, 2013 Common Class A	Mar. 15, 2013 Common Class A	Feb. 04, 2013 Common Class A	Dec. 17, 2012 Common Class A	Nov. 01, 2012 Common Class A	Jun. 30, 2013 Common Class A	Jun. 30, 2012 Common Class A	Jun. 30, 2011 Common Class A	Aug. 14, 2013 Common Class A Subsequent event	Aug. 19, 2013 Common Class A Subsequent event	Jun. 17, 2013 Common Class B	May 01, 2013 Common Class B	Mar. 15, 2013 Common Class B	Feb. 04, 2013 Common Class B	Dec. 17, 2012 Common Class B	Nov. 01, 2012 Common Class B	Jun. 30, 2013 Common Class B	Jun. 30, 2012 Common Class B	Jun. 30, 2011 Common Class B	Aug. 14, 2013 Common Class B Subsequent event
Class of Stock
Authorized common stock (in shares)										1,300,000,000	650,000,000										304,000,000	240,000,000
Common stock, par value (in dollars per share)										$ 0.01	$ 0.01										$ 0.01	$ 0.01
Exchange basis for conversion of Class B Common Stock into shares of Class A Common Stock										One-for-one basis
Common stock holder voting rights										one vote per share											ten votes per share
Information about the Company's common stock outstanding
Balance at the beginning of the period (in shares)										237,119,500	242,598,900	241,283,300									151,778,082	151,964,100	154,164,100
Acquisition of treasury stock (in shares)										(6,718,800)	(11,980,200)	(10,515,100)
Conversion of Class B to Class A (in shares)										2,800,000	186,000	2,200,000									(2,800,000)	(186,000)	(2,200,000)
Stock-based compensation (in shares)										5,815,500	6,314,800	9,630,700
Balance at the end of the period (in shares)										239,016,200	237,119,500	242,598,900									148,978,082	151,778,082	151,964,100
Stock disclosures
Shares authorized by the Board of Directors to be repurchased (in shares)										216,000,000
Cumulative total acquired shares pursuant to the authorization (in shares)										167,100,000
Remaining authorized share repurchase balance (in shares)										48,900,000
Additional purchase of Class A Common Stock (in shares)														600,000
Additional purchase of Class A Common Stock (in dollars)	$ 387.7	$ 592.7	$ 396.6											$ 41.8
Cash dividends declared per common share (in dollars per share)	$ 1.08	$ 0.525	$ 0.375		$ 0.18		$ 0.18		$ 0.72				$ 0.18			$ 0.18		$ 0.18		$ 0.72				$ 0.18
Dividends paid (in dollars per share)				$ 0.18		$ 0.18		$ 0.72							$ 0.18		$ 0.18		$ 0.72