Goodwill (Schedule Of Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Goodwill And Other Intangible Assets [Abstract]
Balance at the beginning of the period	$ 1,064,874	$ 1,059,245
Business acquisition	247	(2,436)
Foreign currency translation adjustments	15,827	(6,726)
Balance at the end of the period	$ 1,080,948	$ 1,050,083