Income Taxes (Primary Components Of Deferred Tax Assets And (Liabilities)) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Components Of Deferred Tax Assets And Liabilities [Line Items]
Long-term	$ 3,660	$ 6,090
Accounts Receivable [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Long-term	490	530
Inventory [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Long-term	500	925
Self Insurance [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Long-term	660	595
Employee Benefits [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Long-term	2,040	1,825
Accrued Expenses [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Long-term	1,100	1,125
Property, Plant and Equipment [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Long-term	(3,080)	(1,225)
Supplemental retirement plans [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Long-term	1,080	1,570
Other [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Long-term	$ 870	$ 745