CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
CONSOLIDATED STATEMENTS OF OPERATIONS
Net revenues	$ 153,923	$ 143,901	$ 453,738	$ 429,360
Cost of sales	128,384	117,839	376,477	349,382
Gross profit	25,539	26,062	77,261	79,978
Selling, general and administrative expense	12,749	11,832	38,581	35,486
Research and technical expense	1,081	1,008	3,281	3,028
Operating income	11,709	13,222	35,399	41,464
Nonoperating retirement benefit income	(497)	(366)	(1,493)	(1,097)
Interest income	(27)	(17)	(76)	(33)
Interest expense	1,713	2,156	5,960	5,522
Income before income taxes	10,520	11,449	31,008	37,072
Provision for income taxes	2,395	2,690	6,630	8,225
Net income	$ 8,125	$ 8,759	$ 24,378	$ 28,847
Net income per share:
Basic (dollars per share)	$ 0.64	$ 0.69	$ 1.91	$ 2.28
Diluted (dollars per share)	$ 0.63	$ 0.68	$ 1.88	$ 2.24
Weighted Average Common Shares Outstanding
Basic (in shares)	12,660,857	12,611,020	12,653,582	12,551,889
Diluted (in shares)	12,883,613	12,795,844	12,841,203	12,775,535
Dividends declared per common share (dollars per share)	$ 0.22	$ 0.22	$ 0.66	$ 0.66