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, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Service revenue	$ 333,170	$ 304,359	$ 647,905	$ 600,179
Direct costs	228,099	199,489	450,273	389,133
Gross profit	105,071	104,870	197,632	211,046
CRS [Member]
Segment Reporting Information [Line Items]
Service revenue	247,871	231,364	483,280	463,003
Direct costs	177,841	157,522	350,591	308,505
Gross profit	70,030	73,842	132,689	154,498
PCMS [Member]
Segment Reporting Information [Line Items]
Service revenue	38,455	32,013	74,103	60,348
Direct costs	22,584	19,149	43,562	36,371
Gross profit	15,871	12,864	30,541	23,977
Perceptive [Member]
Segment Reporting Information [Line Items]
Service revenue	46,844	40,982	90,522	76,828
Direct costs	27,674	22,818	56,120	44,257
Gross profit	$ 19,170	$ 18,164	$ 34,402	$ 32,571