Income Taxes (Schedule Of Deferred Tax Valuation Allowance) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Valuation Allowance [Line Items]
Beginning balance	$ 148,236	$ 90,549	$ 356
Ending balance	165,240	148,236	90,549
Additions Charged To Expense [Member]
Valuation Allowance [Line Items]
Change in valuation allowance	18,494	58,823	90,160
Additions (Credited) Charged To Other Accounts [Member]
Valuation Allowance [Line Items]
Change in valuation allowance	$ (1,490)	$ (1,136)	$ 33