Condensed Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	$ 3.8	$ (15.0)
Revenues [Abstract]
Service revenue	496.7	512.1
Reimbursement revenue	79.8	73.1
Total revenue	576.5	585.2
Costs and Expenses [Abstract]
Direct costs	327.7	343.2
Reimbursable out-of-pocket expenses	79.8	73.1
Selling, general and administrative	92.2	94.9
Depreciation	19.3	18.0
Amortization of Intangible Assets	5.5	5.7
Restructuring charge (benefit)	(1.3)	14.8
Total costs and expenses	523.2	549.7
Income from operations	53.3	35.5
Interest Income (Expense), Net	(2.6)	(1.6)
Miscellaneous income (expense)	(0.8)	1.8
Total other income (expense)	(3.4)	0.2
Income before income taxes	49.9	35.7
Provision for income taxes	12.1	10.8
Net income	$ 37.8	$ 24.9
Earnings per common share
Basic	$ 0.71	$ 0.45
Diluted	$ 0.70	$ 0.45
Shares used in computing earnings per common share
Basic	52.9	55.0
Diluted	53.7	55.9