Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Other Income and Expenses [Abstract]
Foreign exchange	$ 0.0	$ (1.2)
Unrealized gains (losses) on company-owned life insurance contracts and investments held in rabbi trusts	0.5	(1.2)
Equity in earnings of unconsolidated subsidiaries	0.0	0.3
Interest Income	0.1	0.0
Total other income (expense), net	$ 0.6	$ (2.1)