Geographic Information (Schedule Of Service Revenue From Countries) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Sales Revenue, Services, Net	$ 392,611	$ 355,992	$ 333,170	$ 314,735	$ 310,524	$ 301,396	$ 304,359	$ 295,820	$ 1,396,508	$ 1,212,099	$ 1,131,039
United States [Member]
Sales Revenue, Services, Net									580,340	441,546	391,277
Germany [Member]
Sales Revenue, Services, Net									194,528	209,144	182,288
United Kingdom [Member]
Sales Revenue, Services, Net									$ 181,386	$ 168,460	$ 165,340