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SUBSEQUENT EVENTS (Details) - USD ($) $ in Thousands		6 Months Ended
	Apr. 10, 2018	Mar. 31, 2018	May 03, 2018	Sep. 30, 2017
Subsequent Event [Line Items]
Derivative, Notional Amount		$ 39,927		$ 36,404
Subsequent Event [Member]
Subsequent Event [Line Items]
Proceeds From Recoveries Of Unauthorized Payment	$ 5,800
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member]
Subsequent Event [Line Items]
Derivative, Notional Amount		$ 39,927		$ 36,404
Derivative, Term of Contract		12 months
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Derivative, Notional Amount			$ 10,900

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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X

- Definition

Proceeds From Recoveries Of Unauthorized Payment

+ References

No definition available.

+ Details

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X

- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

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X

- Details

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