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Derivative Instruments (Details 1) - USD ($) $ in Thousands	Apr. 30, 2018	Jul. 31, 2017
Derivatives not designated or not qualifying as hedging instruments:
Foreign exchange forward contracts		$ 137

X

- References

No definition available.

+ Details

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X

- Definition

Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959

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