BUSINESS SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
BUSINESS SEGMENT INFORMATION
Net sales	$ 218,314	$ 205,501
EBIT	22,121	20,557
Less: Interest expense	(2,667)	(1,658)
Earnings before income taxes	19,454	18,899
A&D
BUSINESS SEGMENT INFORMATION
Net sales	94,733	82,983
EBIT	16,663	12,536
USG
BUSINESS SEGMENT INFORMATION
Net sales	82,984	71,045
EBIT	17,625	16,131
Test
BUSINESS SEGMENT INFORMATION
Net sales	40,597	51,473
EBIT	1,779	5,411
Corporate (loss)
BUSINESS SEGMENT INFORMATION
EBIT	$ (13,946)	$ (13,521)