Capital Stock (Details) (USD $) In Thousands, except Share data	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Changes in common stock
Treasury Stock, Ending Balance	$ (1,106,039)	$ (1,098,087)
Treasury Stock, Shares, Ending Balance	(16,644,000)	(16,644,000)
Common stock [Member]
Changes in common stock
Common Stock, Beginning Balance	5,610		5,610
Common Stock, shares, beginning balance	112,204,000		112,195,000
Exercise of stock options	11,372
Other, shares			9,000
Common Stock, Ending Balance	5,610		5,610
Common Stock, shares, ending balance	112,204,000		112,204,000
Common Class A [Member]
Changes in common stock
Common Stock, Beginning Balance	5,592	5,523	5,492
Common Stock, shares, beginning balance	111,839,000	110,468,000	109,841,000
Treasury Stock, Shares, Beginning Balance	(33,298,000)
Exercise of stock options	74	65	27
Exercise of stock options, Shares	1,484,000	1,293,000	539,000
Issuance of stock awards, shares	1,000	1,000	7,000
Other	4	4	4
Other, shares	76,000	77,000	81,000
Common Stock, Ending Balance	5,670	5,592	5,523
Common Stock, shares, ending balance	113,400,000	111,839,000	110,468,000
Treasury Stock, Shares, Ending Balance	(33,712,000)	(33,298,000)
Treasury stock [Member]
Changes in common stock
Treasury Stock, Beginning Balance	(1,098,087)	(1,089,322)	(1,009,021)
Treasury Stock, Shares, Beginning Balance	(49,942,000)	(49,433,000)	(44,692,000)
Exercise of stock options	(7,952)	(8,765)	(3,959)
Exercise of stock options, Shares	(414,000)	(509,000)	(234,000)
Purchase of treasury stock			(76,342)
Purchase of treasury stock, Shares			(4,507,000)
Treasury Stock, Ending Balance	$ (1,106,039)	$ (1,098,087)	$ (1,089,322)
Treasury Stock, Shares, Ending Balance	(50,356,000)	(49,942,000)	(49,433,000)