DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 1) $ in Thousands	Sep. 30, 2017 USD ($) Number
Number of Instruments \| Number	16
Sell Notional	$ 6,700
Buy Notional	$ 5,207
Sell AUD/Buy USD Fwd Contract [Member]
Number of Instruments \| Number	6
Sell Notional	$ 650
Buy Notional	$ 493
Sell CAD/Buy USD Fwd Contract [Member]
Number of Instruments \| Number	10
Sell Notional	$ 6,050
Buy Notional	$ 4,714

The number of derivative instruments of a particular group held by the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant