Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Common Class A [Member]
Stockholders' equity:
Common stock	$ 6,274	$ 6,250
Common Class B [Member]
Stockholders' equity:
Common stock	768	773
Cash	21,307	19,794
Accounts receivable (less allowance for doubtful accounts of $843 and $887, respectively)	27,360	34,367
Inventories	59,018	56,321
Current deferred income tax assets		4,518
Prepaid expenses and other current assets	7,808	5,911
Total current assets	115,493	120,911
Property, plant and equipment, net	39,983	41,010
Income taxes receivable	2,603	2,655
Deferred income tax assets	29,266	25,284
Intangible assets, net	6,309	6,490
Goodwill	3,034	3,034
Other assets	2,224	2,214
Total assets	198,912	201,598
Notes payable and current maturities of long-term debt	1,560	1,543
Accounts payable	8,538	8,981
Accrued expenses	5,570	6,372
Accrued compensation	4,501	4,922
Total current liabilities	20,169	21,818
Long-term debt, net of current portion	16,713	17,109
Other income tax obligations	4,398	3,813
Deferred income tax liabilities		187
Postretirement benefit and pension obligations	66,708	67,158
Total liabilities	107,988	110,085
Additional paid-in capital	55,376	55,227
Retained earnings	81,286	81,228
Accumulated other comprehensive loss	(52,780)	(51,965)
Total stockholders' equity	90,924	91,513
Total liabilities and stockholders’ equity	$ 198,912	$ 201,598