Other Income and Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Other Income and Expenses [Abstract]
Foreign Currency Transaction (Gain) Loss, Unrealized	$ 5.6	$ (2.3)
Other Nonoperating (Income) Expense	0.1	0.2
Nonoperating (Income) Expense	$ 5.7	$ (2.1)