Accounting Developments (Details) $ in Millions	12 Months Ended
	Jun. 30, 2015 USD ($)
Other Current Assets [Member] | As Previously Reported [Member]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 4.2
Other Noncurrent Assets [Member] | As Previously Reported [Member]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	1.9
Other Noncurrent Assets [Member] | Accounting Standards Update 2015-17 [Member]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 6.1