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
	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Service revenue	$ 394,753	$ 314,735
Direct costs	279,404	222,174
Gross profit	115,349	92,561
CRS [Member]
Segment Reporting Information [Line Items]
Service revenue	297,167	235,409
Direct costs	220,166	172,750
Gross profit	77,001	62,659
PCMS [Member]
Segment Reporting Information [Line Items]
Service revenue	48,351	35,648
Direct costs	29,685	20,978
Gross profit	18,666	14,670
Perceptive [Member]
Segment Reporting Information [Line Items]
Service revenue	49,235	43,678
Direct costs	29,553	28,446
Gross profit	$ 19,682	$ 15,232