Other (Expense) Income, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Other Income and Expenses [Abstract]
Foreign exchange	$ (1.2)	$ 0.6
Unrealized losses on company-owned life insurance contracts and investments held in rabbi trusts	(1.2)	(0.3)
Equity in earnings of unconsolidated subsidiaries	0.3	0.1
Legal settlement	0.0	4.4
Other	0.0	0.1
Total other (expense) income, net	$ (2.1)	$ 4.9