CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021
Current assets:
Cash and cash equivalents	$ 9,438	$ 47,726
Accounts receivable, less allowance for doubtful accounts of $553 and $739 at September 30, 2021 and June 30, 2022, respectively	79,562	57,964
Inventories	344,088	248,495
Income taxes receivable	12	1,292
Other current assets	4,595	6,129
Total current assets	437,695	361,606
Property, plant and equipment, net	144,216	147,248
Deferred income taxes	12,077	16,397
Other assets	10,708	10,829
Goodwill	4,789	4,789
Other intangible assets, net	5,039	5,586
Total assets	614,524	546,455
Current liabilities:
Accounts payable	66,437	47,680
Accrued expenses	17,871	20,100
Income taxes payable	1,751	379
Accrued pension and postretirement benefits	3,554	3,554
Revolving credit facilities	46,500
Deferred revenue-current portion	2,500	2,500
Total current liabilities	138,613	74,213
Long-term obligations (less current portion)	8,030	8,301
Deferred revenue (less current portion)	8,454	10,329
Deferred income taxes	3,361	3,459
Operating lease liabilities	764	664
Accrued pension benefits (less current portion)	20,698	26,663
Accrued postretirement benefits (less current portion)	80,531	79,505
Total liabilities	260,451	203,134
Commitments and contingencies
Stockholders' equity:
Common stock, $0.001 par value (40,000,000 shares authorized, 12,757,778 and 12,825,922 shares issued and 12,562,140 and 12,462,478 shares outstanding at September 30, 2021 and June 30, 2022, respectively)	13	13
Preferred stock, $0.001 par value (20,000,000 shares authorized, 0 shares issued and outstanding)
Additional paid-in capital	265,154	262,057
Accumulated earnings	121,495	101,015
Treasury stock, 195,638 shares at September 30, 2021 and 363,444 shares at June 30, 2022	(14,218)	(7,423)
Accumulated other comprehensive loss	(18,371)	(12,341)
Total stockholders' equity	354,073	343,321
Total liabilities and stockholders' equity	$ 614,524	$ 546,455