Segment Information (Service Revenue, Direct Costs And Gross Profit On Service Revenue Of Reportable Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Service revenue	$ 529,300	$ 527,100	$ 1,560,400	$ 1,557,700
Direct costs	349,600	337,800	1,028,200	1,013,500
Gross profit	179,700	189,300	532,200	544,200
CRS [Member]
Segment Reporting Information [Line Items]
Service revenue	409,100	402,800	1,194,300	1,220,100
Direct costs	284,100	271,100	830,700	833,000
Gross profit	125,000	131,700	363,600	387,100
PC [Member]
Segment Reporting Information [Line Items]
Service revenue	50,700	49,900	160,300	130,600
Direct costs	29,900	28,200	91,200	69,200
Gross profit	20,800	21,700	69,100	61,400
PI [Member]
Segment Reporting Information [Line Items]
Service revenue	69,500	74,400	205,800	207,000
Direct costs	35,600	38,500	106,300	111,300
Gross profit	$ 33,900	$ 35,900	$ 99,500	$ 95,700