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BUSINESS SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
BUSINESS SEGMENT INFORMATION
Net sales	$ 260,783	$ 248,749	$ 728,226	$ 683,386
Consolidated EBIT	40,507	38,001	95,075	84,177
Less: Interest expense	(3,335)	(2,495)	(9,228)	(6,422)
Earnings before income taxes	37,172	35,506	85,847	77,755
Aerospace & Defense
BUSINESS SEGMENT INFORMATION
Net sales	114,450	103,469	323,884	285,434
Consolidated EBIT	21,356	21,665	61,396	52,996
USG
BUSINESS SEGMENT INFORMATION
Net sales	90,277	89,966	260,570	240,172
Consolidated EBIT	22,155	20,351	57,355	50,543
Test
BUSINESS SEGMENT INFORMATION
Net sales	56,056	55,314	143,772	157,780
Consolidated EBIT	9,292	8,643	16,614	21,280
Corporate (loss)
BUSINESS SEGMENT INFORMATION
Consolidated EBIT	$ (12,296)	$ (12,658)	$ (40,290)	$ (40,642)

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