Other Income and Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Other Income and Expenses [Abstract]
Debt refinancing costs	$ 4.3	$ 0.0	$ 4.3	$ 0.0
Foreign Currency Transaction Gain (Loss), Unrealized	(5.3)	(3.9)	(7.5)	(3.9)
Other Nonoperating Income (Expense)	(0.8)	0.4	(0.7)	1.0
Nonoperating Income (Expense)	$ (1.8)	$ (3.5)	$ (3.9)	$ (2.9)