Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015
Common Class A [Member]
Stockholders' equity:
Common stock	$ 6,239	$ 6,224
Common Class B [Member]
Stockholders' equity:
Common stock	780	789
Cash	$ 18,380	11,108
Short-term investments		7,855
Accounts receivable (less allowance for doubtful accounts of $698 and $612, respectively)	$ 31,204	40,311
Inventories	58,262	63,003
Current deferred income tax assets	4,143	4,554
Prepaid expenses and other current assets	6,200	6,582
Total current assets	118,189	133,413
Property, plant and equipment, net	42,940	44,413
Income taxes receivable	3,103	3,383
Deferred income tax assets, net of current portion	18,782	18,803
Intangible assets, net	6,783	7,125
Goodwill	3,034	3,034
Other assets	2,170	2,101
Total assets	195,001	212,272
Notes payable and current maturities of long-term debt	1,516	1,552
Accounts payable	8,148	9,471
Accrued expenses	5,876	7,011
Accrued compensation	3,479	5,565
Total current liabilities	19,019	23,599
Long-term debt, net of current portion	17,889	18,552
Other income tax obligations	4,680	4,607
Deferred income tax liabilities	1,489	1,548
Postretirement benefit and pension obligations	48,152	49,536
Total liabilities	91,229	97,842
Additional paid-in capital	55,010	54,869
Retained earnings	97,037	98,164
Accumulated other comprehensive loss	(55,294)	(45,616)
Total stockholders' equity	103,772	114,430
Total liabilities and stockholders’ equity	$ 195,001	$ 212,272