Segment Information (Service Revenue, Direct Costs And Gross Profit On Service Revenue Of Reportable Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Service revenue	$ 422,068	$ 333,170	$ 816,821	$ 647,905
Direct costs	301,325	228,099	580,729	450,273
Gross profit	120,743	105,071	236,092	197,632
CRS [Member]
Segment Reporting Information [Line Items]
Service revenue	320,580	247,871	617,747	483,280
Direct costs	242,415	177,841	462,581	350,591
Gross profit	78,165	70,030	155,166	132,689
PCMS [Member]
Segment Reporting Information [Line Items]
Service revenue	49,274	38,455	97,625	74,103
Direct costs	28,454	22,584	58,139	43,562
Gross profit	20,820	15,871	39,486	30,541
Perceptive [Member]
Segment Reporting Information [Line Items]
Service revenue	52,214	46,844	101,449	90,522
Direct costs	30,456	27,674	60,009	56,120
Gross profit	$ 21,758	$ 19,170	$ 41,440	$ 34,402