CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
CONSOLIDATED STATEMENTS OF OPERATIONS
Net revenues	$ 143,901	$ 130,165	$ 429,360	$ 346,651
Cost of sales	117,839	96,943	349,382	272,239
Gross profit	26,062	33,222	79,978	74,412
Selling, general and administrative expense	11,832	11,847	35,486	34,991
Research and technical expense	1,008	957	3,028	2,806
Operating income	13,222	20,418	41,464	36,615
Nonoperating retirement benefit expense (income)	(366)	(1,088)	(1,097)	(3,264)
Interest income	(17)	(1)	(33)	(15)
Interest expense	2,156	750	5,522	1,564
Income before income taxes	11,449	20,757	37,072	38,330
Provision for income taxes	2,690	5,149	8,225	9,579
Net income	$ 8,759	$ 15,608	$ 28,847	$ 28,751
Net income per share:
Basic (dollars per share)	$ 0.69	$ 1.25	$ 2.28	$ 2.30
Diluted (dollars per share)	$ 0.68	$ 1.24	$ 2.24	$ 2.28
Weighted Average Common Shares Outstanding
Basic (in shares)	12,611,020	12,339,308	12,551,889	12,346,372
Diluted (in shares)	12,795,844	12,459,255	12,775,535	12,506,938
Dividends declared per common share (dollars per share)	$ 0.22	$ 0.22	$ 0.66	$ 0.66