OTHER INCOME (EXPENSE) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Other Income and Expenses [Abstract]
Other income (expense)	$ 626	$ 293	$ 1,258	$ 900
Foreign currency transaction gain (loss), before tax	179	(164)	191	(98)
Net periodic benefit plan income (loss)	35	217	69	433
Net investment income (loss)	29	74	85	107
Rental income			0	212
Royalty income	$ 509	$ 476	$ 1,100	$ 1,025