DERIVATIVE FINANCIAL INSTRUMENTS, Effect of Derivative Instruments on the Consolidated Statement of Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other income (expense), net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other income (loss), net	$ (235)	$ 440	$ (1,709)	$ 952