DERIVATIVE FINANCIAL INSTRUMENTS, Fair Value of Derivative Instruments in the Consolidated Balance Sheet (Details) - Not Designated as Hedging Instrument [Member] - Foreign Exchange Contracts [Member] - USD ($) $ in Thousands	Dec. 31, 2018	Sep. 30, 2018
Prepaid Expenses and Other Current Assets [Member]
Asset Derivatives [Abstract]
Asset derivatives	$ 643	$ 0
Liability Derivatives [Abstract]
Liability derivatives	0	0
Accrued Expenses, Income Taxes and Other Current Liabilities [Member]
Asset Derivatives [Abstract]
Asset derivatives	0	0
Liability Derivatives [Abstract]
Liability derivatives	$ 50	$ 339