OTHER INCOME (EXPENSE) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Other Income and Expenses [Abstract]
Other income (expense)	$ 1,381	$ 357
Foreign currency transaction gain (loss), before tax	(394)	(699)
Net periodic benefit income	948	227
Investment income, net	93	330
Rental income	$ 462	$ 462