Stock-Based Compensation (Tables)

6 Months Ended

Dec. 31, 2016

Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]

Classification Of Compensation Expense Within Consolidated Statements Of Income

(in millions)	Three Months Ended				Six Months Ended
	December 31, 2016		December 31, 2015		December 31, 2016		December 31, 2015
Direct costs	$	1.1	$	1.0	$	2.2	$	2.2
Selling, general and administrative	4.5		3.8		8.2		7.7
Total stock-based compensation	$	5.6	$	4.8	$	10.4	$	9.9