Restructuring Charges (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Restructuring Charges	$ 41.2	$ 27.8	$ 19.8
Two Thousand Seventeen Restructuring Plan [Member] [Domain] [Domain]
Restructuring Charges	40.7
2015 Margin Acceleration Program [Member]
Restructuring Charges	0.5	$ 27.8
Employee Severance [Member] | Two Thousand Seventeen Restructuring Plan [Member] [Domain] [Domain]
Restructuring Charges	39.7
Facilities Related Charges [Member] | Two Thousand Seventeen Restructuring Plan [Member] [Domain] [Domain]
Restructuring Charges	$ 1.0