Stockholders' Equity (Schedule Of Option Activity) (Details) - $ / shares		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014
Stockholders' Equity [Abstract]
Options, Outstanding at beginning of period		4,687,220
Options, Granted		97,209
Options, Exercised	[1]	(1,999,003)
Options, Forfeited		23,812
Options, Outstanding at end of period		2,809,238	4,687,220
Options, Exercise price of granted options		$ 52.02
Options exercisable at end of period		2,233,134
Weighted Average Exercise Price, Outstanding at beginning of period		$ 24.45
Weighted Average Exercise Price, Granted		52.02
Weighted Average Exercise Price, Exercised	[1]	18.60
Weighted Average Exercise Price, Forfeited		33.96
Weighted Average Exercise Price, Outstanding at end of period		29.63	$ 24.45
Weighted Average Exercise Price, Options exercisable at end of period		$ 26.62
Weighted Average Remaining Term to Vest in Years, Outstanding		2 years 6 months	2 years 7 months 6 days
Exercisable shares, netted for tax		45,000

[1] Includes 45,000 shares netted for tax.