Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Jun. 30, 2020
Current assets:
Cash	$ 11,247	$ 13,458
Accounts receivable (less allowance for doubtful accounts of $583 and $736, respectively)	34,467	29,012
Inventories	52,536	52,987
Prepaid expenses and other current assets	10,355	8,641
Total current assets	108,605	104,098
Property, plant and equipment, net	35,001	37,090
Right of use assets	4,186	4,465
Deferred tax assets, net	23,513	21,018
Intangible assets, net	4,935	4,997
Goodwill	1,015	1,015
Total assets	177,255	172,683
Current liabilities:
Current maturities of debt	6,895	4,532
Current lease liability	1,247	1,905
Accounts payable	12,089	7,579
Accrued expenses	7,745	8,838
Accrued compensation	5,663	4,980
Total current liabilities	33,639	27,834
Other tax obligations	2,761	2,532
Long-term lease liability	3,027	2,655
Long-term debt, net of current portion	18,530	26,341
Postretirement benefit and pension obligations	61,948	67,338
Total liabilities	119,905	126,700
Stockholders' equity:
Additional paid-in capital	56,329	55,762
Retained earnings	69,638	58,648
Accumulated other comprehensive loss	(75,721)	(75,415)
Total stockholders' equity	57,350	45,983
Total liabilities and stockholders’ equity	177,255	172,683
Class A
Stockholders' equity:
Common stock	6,452	$ 6,308
Common stock, par value (in dollars per share)		$ 1
Class B
Stockholders' equity:
Common stock	$ 652	$ 680
Common stock, par value (in dollars per share)	$ 1	$ 1