Accumulated Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Income, Net Of Tax) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ 866,376	$ 837,145	$ 774,496	$ 808,985
Tax expense (benefit)	1,993	(396)	327
Currency translation adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(85,279)	(73,217)	(72,687)
Unrealized gain on fair value of interest rate swap, net of tax [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	1,102	13	0
Accumulated other comprehensive loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (84,177)	$ (73,204)	$ (72,687)	$ (64,502)