CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2019	Sep. 30, 2018
Current assets:
Cash and cash equivalents	$ 22,045	$ 9,802
Accounts receivable, less allowance for doubtful accounts of $1,130 and $1,503 at September 30, 2018 and June 30, 2019, respectively	77,719	73,437
Inventories	269,138	273,045
Income taxes receivable	2,371	7,240
Other current assets	3,703	2,825
Total current assets	374,976	366,349
Property, plant and equipment, net	172,212	179,400
Deferred income taxes	23,834	25,454
Other assets	6,678	7,163
Goodwill	4,789	4,789
Other intangible assets, net	5,334	5,539
Total assets	587,823	588,694
Current liabilities:
Accounts payable	43,040	37,140
Accrued expenses	16,837	17,463
Accrued pension and postretirement benefits	5,095	5,095
Deferred revenue—current portion	2,500	2,500
Total current liabilities	67,472	62,198
Long-term obligations (less current portion) (Note 15)	8,337	8,443
Deferred revenue (less current portion)	15,954	17,829
Deferred income taxes	1,919	1,919
Accrued pension benefits (less current portion)	59,874	62,072
Accrued postretirement benefits (less current portion)	104,127	103,013
Total liabilities	257,683	255,474
Commitments and contingencies (Note 7)
Stockholders’ equity:
Common stock, $0.001 par value (40,000,000 shares authorized, 12,546,591 and 12,566,819 shares issued and 12,504,478 and 12,513,350 shares outstanding at September 30, 2018 and June 30, 2019, respectively)	13	13
Preferred stock, $0.001 par value (20,000,000 shares authorized, 0 shares issued and outstanding)
Additional paid-in capital	253,116	251,053
Accumulated earnings	122,019	126,588
Treasury stock, 42,113 shares at September 30, 2018 and 53,469 shares at June 30, 2019	(2,239)	(1,869)
Accumulated other comprehensive loss	(42,769)	(42,565)
Total stockholders’ equity	330,140	333,220
Total liabilities and stockholders’ equity	$ 587,823	$ 588,694