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Derivative Instruments (Tables)

12 Months Ended

Jul. 31, 2017

Derivative Instruments [Abstract]

Schedule of derivative instruments outstanding contracts

Settlement Date		U.S. Dollar Amount				NOK Amount
August 2017			1,000,000				8,408,640
September 2017			1,000,000				8,404,640

Schedule of fair value of derivative assets and liabilities

July 31, (in thousands)				2017				2016
Assets Derivatives:		Balance Sheet Location
Derivatives not designated or not qualifying as hedging instruments
Foreign exchange forward contracts		Other current assets		$	137			$	21
Liabilities Derivatives:
Derivatives not designated or not qualifying as hedging instruments
Foreign exchange forward contracts		Accrued expenses		$	—			$	15

Schedule of derivative instruments on consolidated statements of comprehensive income

Year ended July 31, (in thousands)				2017				2016
Derivatives not designated or not qualifying as hedging instruments		Location of Gain (Loss) Recognized on Derivatives
Foreign exchange forward contracts		Net gain (loss) resulting from foreign exchange transactions		$	105			$	(142	)

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- References

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- Definition

Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

+ References

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

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- Definition

Tabular disclosure of derivative instruments (including nonderivative instruments that are designated and qualify as hedging instruments) of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959

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- Definition

Tabular disclosure of the notional amounts of outstanding derivative positions.

+ References

Reference 1: 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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