Earnings Per Share (Schedule Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Net income attributable to common shares	$ 34,178	$ 37,741	$ 38,760	$ 37,142	$ 40,072	$ 34,739	$ 28,329	$ 25,954	$ 147,821	$ 129,094	$ 95,972
Weighted average number of shares outstanding, used in computing basic earnings per share									54,915	56,504	58,388
Dilutive common stock equivalents									923	973	1,059
Weighted average shares used in computing diluted earnings per share									55,838	57,477	59,447
Basic earnings per share									$ 2.69	$ 2.28	$ 1.64
Diluted earnings per share	$ 0.61	$ 0.68	$ 0.70	$ 0.67	$ 0.70	$ 0.60	$ 0.49	$ 0.45	$ 2.65	$ 2.25	$ 1.61
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount									774	536	503