Restructuring Charges (Schedule of Restructuring Charges by Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 41.2	$ 27.8	$ 19.8
Operating Segments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	32.6	22.0
Operating Segments [Member] | CRS [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	26.4	9.1
Operating Segments [Member] | PC [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	(0.1)	2.3
Operating Segments [Member] | PI [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	6.3	10.6
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 8.6	$ 5.8