OTHER EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Other Income and Expenses [Abstract]
Foreign currency transaction gain (loss), before tax	$ (322)	$ (985)	$ 109	$ (1,525)
Investment income, net	$ 10	$ 517	$ 202	$ 563