Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Impact of New Accounting Pronouncement) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other Additional Capital		$ 9.8
Deferred Tax Asset Impact [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 6.6
Deferred Tax Liabilities Impact [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 6.6