Earnings Per Share (Schedule Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share [Abstract]
Net income attributable to common shares	$ 40,072	$ 34,739	$ 28,329	$ 25,954	$ 30,041	$ 29,524	$ 21,343	$ 15,064	$ 129,094	$ 95,972	$ 63,158
Weighted average number of shares outstanding, used in computing basic earnings per share									56,504	58,388	59,464
Dilutive common stock equivalents									973	1,059	962
Weighted average shares used in computing diluted earnings per share									57,477	59,447	60,426
Basic earnings per share									$ 2.28	$ 1.64	$ 1.06
Diluted earnings per share	$ 0.70	$ 0.60	$ 0.49	$ 0.45	$ 0.52	$ 0.50	$ 0.36	$ 0.25	$ 2.25	$ 1.61	$ 1.05
Anti-dilutive options									536	503	2,231