Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012
Current assets:
Cash	$ 17,261	$ 17,502
Short-term investments	6,465	6,282
Accounts receivable (less allowance for doubtful accounts of $749 and $965, respectively)	34,153	42,167
Inventories	74,413	69,895
Current deferred income tax asset	7,319	7,620
Prepaid expenses and other current assets	7,374	7,764
Total current assets	146,985	151,230
Property, plant and equipment, net	53,493	53,597
Taxes receivable	3,711	3,814
Deferred tax asset, net	29,914	29,842
Intangible assets, net	8,647	8,755
Goodwill	3,034	3,034
Other assets	2,047	1,894
Total assets	247,831	252,166
Current liabilities:
Notes payable and current maturities	1,642	1,800
Accounts payable and accrued expenses	18,393	20,912
Accrued compensation	5,756	7,299
Total current liabilities	25,791	30,011
Deferred tax liabilities	2,805	2,530
Other tax obligations	10,200	10,590
Long-term debt	28,995	29,387
Postretirement benefit and pension liabilities	52,366	51,810
Total liabilities	120,157	124,328
Stockholders' equity:
Additional paid-in capital	52,160	51,941
Retained earnings	93,631	94,661
Accumulated other comprehensive loss	(24,910)	(25,534)
Total stockholders' equity	127,674	127,838
Total liabilities and stockholders’ equity	247,831	252,166
Common Class A [Member]
Stockholders' equity:
Common Stock	6,029	6,017
Common Class B [Member]
Stockholders' equity:
Common Stock	$ 764	$ 753