Summary Of Significant Accounting Policies (Schedule Of Calculation Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Summary Of Significant Accounting Policies [Abstract]
Net income	$ 254,850	$ 226,986	$ 190,085
Basic weighted-average common shares outstanding	145,901	152,471	150,908
Effect of dilutive securities, stock options and restricted stock units	3,415	4,724	4,190
Diluted weighted average shares	149,316	157,195	155,098
Basic earnings per share	$ 1.75	$ 1.49	$ 1.26
Diluted earnings per share	$ 1.71	$ 1.44	$ 1.23