OTHER EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Other Income and Expenses [Abstract]
Foreign currency transaction gain (loss), before tax	$ 502	$ (437)
Investment income, net	(77)	(5)
Net periodic benefit expense (income)	$ (787)	$ (882)