Restructuring and Other Restructuring and Other Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Restructuring Cost and Reserve [Line Items]
Severance Costs	$ 3.1	$ 1.8	$ 3.7	$ 3.4
Restructuring Charges	0.1	1.8	1.3	3.4
Gain (Loss) Related to Litigation Settlement	0.0	0.0	3.2	0.0
Restructuring, Settlement and Impairment Provisions	0.1	1.8	4.5	3.4
Business Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	$ (3.0)	$ 0.0	$ (2.4)	$ 0.0