Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Inventories	$ 720	$ 2,597
Employee medical and other benefits	10,149	11,161
Receivable and other allowances	4,410	4,375
Other accrued liabilities	2,895	3,133
Total deferred tax assets	18,174	21,266
Property, plant and equipment	(21,307)	(21,607)
Goodwill	(4,212)	(3,804)
Other	(79)	(425)
Total deferred tax liabilities	(25,598)	(25,836)
Net deferred tax liability	$ (7,424)	$ (4,570)