Other Income and Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Other Income and Expenses [Abstract]
Debt refinancing costs	$ 0.0	$ 0.0	$ 4.3	$ 0.0
Foreign Currency Transaction (Gain) Loss, Unrealized	(7.3)	3.6	0.2	7.5
Other Nonoperating (Income) Expense	0.0	0.6	0.7	(0.4)
Nonoperating (Income) Expense	$ (7.3)	$ 4.2	$ (3.4)	$ 7.1