OTHER INCOME (EXPENSE) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Other Income and Expenses [Abstract]
Other income (expense)	$ 2,084	$ 587	$ 4,528	$ 1,413
Foreign currency transaction gain (loss), before tax	265	77	(297)	(302)
Net periodic benefit income	1,118	226	3,145	680
Investment income, net	(91)	111	(328)	496
Rental income	156	$ 156	468	$ 468
Royalty income	$ 828		$ 1,444