Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Current assets:
Cash	$ 18,323	$ 16,233
Short-term investments	8,295	8,723
Accounts receivable (less allowance for doubtful accounts of $700 and $704, respectively)	35,298	43,712
Inventories	65,968	65,582
Current deferred income tax assets	4,671	6,037
Prepaid expenses and other current assets	8,236	6,615
Total current assets	140,791	146,902
Property, plant and equipment, net	48,876	51,537
Long-term taxes receivable	3,776	3,775
Long-term deferred income tax assets, net of current portion	16,322	16,537
Intangible assets, net	7,565	7,760
Goodwill	3,034	3,034
Other assets	1,945	1,898
Total assets	222,309	231,443
Current liabilities:
Notes payable and current maturities of long-term debt	11,485	10,548
Accounts payable	11,298	9,980
Accrued expenses	6,384	8,516
Accrued compensation	5,160	6,642
Total current liabilities	34,327	35,686
Long-term debt, net of current portion	10,408	10,804
Other tax obligations	2,863	3,013
Deferred tax liabilities	2,027	2,037
Postretirement benefit and pension obligations	42,934	43,589
Total liabilities	92,559	95,129
Stockholders' equity:
Additional paid-in capital	54,235	54,063
Retained earnings	95,941	95,715
Accumulated other comprehensive loss	(27,395)	(20,425)
Total stockholders' equity	129,750	136,314
Total liabilities and stockholders’ equity	222,309	231,443
Common Class A [Member]
Stockholders' equity:
Common Stock	6,182	6,166
Common Class B [Member]
Stockholders' equity:
Common Stock	$ 787	$ 795