Segment Information (Service Revenue, Direct Costs And Gross Profit On Service Revenue Of Reportable Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Service revenue	$ 534,400	$ 518,500	$ 1,031,100	$ 1,030,600
Direct costs	350,900	332,500	678,600	675,700
Gross profit	183,500	186,000	352,500	354,900
CRS [Member]
Segment Reporting Information [Line Items]
Service revenue	408,900	407,100	785,200	817,300
Direct costs	284,500	274,400	546,600	561,900
Gross profit	124,400	132,700	238,600	255,400
PC [Member]
Segment Reporting Information [Line Items]
Service revenue	54,600	41,400	109,600	80,700
Direct costs	30,900	20,800	61,300	41,000
Gross profit	23,700	20,600	48,300	39,700
PI [Member]
Segment Reporting Information [Line Items]
Service revenue	70,900	70,000	136,300	132,600
Direct costs	35,500	37,300	70,700	72,800
Gross profit	$ 35,400	$ 32,700	$ 65,600	$ 59,800