Geographic Information (Schedule Of Financial Information By Geographic Area) (Details) - USD ($) $ 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
Sales Revenue, Services, Net	$ 522,983	$ 502,033	$ 499,269	$ 491,696	$ 510,595	$ 492,375	$ 487,145	$ 449,245	$ 2,015,981	$ 1,939,360	$ 1,734,442
Income from operations	39,259	$ 54,229	$ 52,784	$ 53,580	58,782	$ 52,171	$ 46,664	$ 41,881	199,852	199,498	136,123
Tangible long-lived assets	241,211				234,164				241,211	234,164
The Americas [Member]
Sales Revenue, Services, Net									1,055,581	970,894	866,998
Income from operations									112,809	111,718	44,743
Tangible long-lived assets	161,159				151,111				161,159	151,111
Europe, Middle East & Africa [Member]
Sales Revenue, Services, Net									691,104	709,137	624,010
Income from operations									56,282	51,793	59,466
Tangible long-lived assets	61,450				63,215				61,450	63,215
Asia/Pacific [Member]
Sales Revenue, Services, Net									269,296	259,329	243,434
Income from operations									30,761	35,987	$ 31,914
Tangible long-lived assets	$ 18,602				$ 19,838				$ 18,602	$ 19,838