Pension Benefits (Schedule Of Amounts Recognized In The Consolidated Balance Sheets) (Details) - Pension Benefits [Member] - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Defined Benefit Plan Disclosure [Line Items]
Prepaid benefit cost (Other Noncurrent Assets)	$ 172	$ 143
Accrued benefit liability (Other Noncurrent Liabilities)	(4,344)	(8,613)
Net amount recognized	$ (4,172)	$ (8,470)