Restructuring and Other Restructuring and Other Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 0.4	$ 0.7	$ 1.5
Business Exit Costs	$ 0.2	0.2	0.5	0.1
Restructuring Charges	0.1	0.6	1.2	1.6
Gain (Loss) Related to Litigation Settlement	3.2	0.0	3.2	0.0
Restructuring, Settlement and Impairment Provisions	3.3	$ 0.6	$ 4.4	$ 1.6
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	$ (0.1)