Stockholders' Equity (Schedule Of Option Activity) (Details) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Stockholders' Equity [Line Items]
Options, Outstanding at beginning of period	9,363,720
Options, Granted	444,766
Options, Exercised	(3,432,800)
Options, Forfeited	(59,550)
Options, Outstanding at end of period	6,316,136	9,363,720
Options exercisable at end of period	4,727,408
Weighted Average Exercise Price, Outstanding at beginning of period	$ 20.52
Weighted Average Exercise Price, Granted	$ 41.11
Weighted Average Exercise Price, Exercised	$ 19.14
Weighted Average Exercise Price, Forfeited	$ 23.87
Weighted Average Exercise Price, Outstanding at end of period	$ 22.68	$ 20.52
Weighted Average Exercise Price, Options exercisable at end of period	$ 19.35
Weighted Average Remaining Term to Vest in Years, Outstanding	2 years 3 months 18 days	3 years 3 months 18 days
Minimum [Member]
Stockholders' Equity [Line Items]
Options, Exercise price range of granted options	$ 31.61
Maximum [Member]
Stockholders' Equity [Line Items]
Options, Exercise price range of granted options	$ 43.63