Goodwill (Schedule Of Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Goodwill And Other Intangible Assets [Abstract]
Balance at the beginning of the period	$ 1,064,874	$ 1,059,245
Business acquisition		(2,095)
Foreign currency translation adjustments	10,441	(10,846)
Balance at the end of the period	$ 1,075,315	$ 1,046,304