CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income (loss)	$ 41,975	$ 45,087	$ (8,683)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	17,996	18,289	19,100
Amortization	579	780	467
Pension and post-retirement expense - U.S. and U.K.	2,243	1,898	8,100
Change in long-term obligations	(108)	(136)	9
Stock compensation expense	3,290	3,599	4,474
Deferred revenue	(2,500)	(2,500)	(2,500)
Deferred income taxes	(608)	6,442	(2,436)
Loss on disposition of property	498	18	173
Change in assets and liabilities:
Accounts receivable	(8,159)	(42,710)	(6,159)
Inventories	(50,440)	(116,780)	(777)
Other assets	(3,106)	3,464	(4,926)
Accounts payable and accrued expenses	(8,465)	10,696	33,869
Income taxes	(2,848)	1,780	2,859
Accrued pension and postretirement benefits	(7,064)	(9,408)	(20,305)
Net cash provided by (used in) operating activities	(16,717)	(79,481)	23,265
Cash flows from investing activities:
Additions to property, plant and equipment	(16,397)	(15,114)	(5,949)
Net cash used in investing activities	(16,397)	(15,114)	(5,949)
Cash flows from financing activities:
Revolving credit facility borrowings	156,856	115,528
Revolving credit facility repayments	(116,734)	(40,807)
Dividends paid	(11,192)	(11,072)	(11,175)
Proceeds from exercise of stock options	8,230	537
Payment for purchase of treasury stock	(934)	(7,243)	(4,986)
Payment for debt issuance cost	(1,325)	(103)	(997)
Payments on long-term obligations	(315)	(278)	(285)
Net cash provided by (used in) financing activities	34,586	56,562	(17,443)
Effect of exchange rates on cash	811	(1,253)	615
Increase (decrease) in cash and cash equivalents:	2,283	(39,286)	488
Cash and cash equivalents:
Beginning of period	8,440	47,726	47,238
End of period	10,723	8,440	47,726
Supplemental disclosures of cash flow information:
Interest (net of capitalized interest)	6,810	1,206	855
Income taxes paid, net	13,202	3,671	(1,580)
Capital expenditures incurred but not yet paid	1,442	242	666
Dividends declared but not yet paid	$ 198	$ 199	$ 210