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Derivative Instruments (Tables)

12 Months Ended

Jul. 31, 2015

Derivative Instruments [Abstract]

Schedule of derivative instruments outstanding contracts

Settlement Date		U.S. Dollar Amount				NOK Amount
September 2015			750,000				6,163,000
November 2015			2,729,000				22,169,000
January 2016			3,000,000				24,257,000
May 2016			1,000,000				8,239,000
July 2016			1,000,000				8,200,000

Schedule of derivative assets fair value

July 31 (in thousands)				2015				2014
Asset Derivatives		Balance Sheet Location
Derivatives not designated or not qualifying as hedging instruments:
Foreign exchange forwards		Other current assets		$	38			$	—

Schedule of derivative liability fair value

July 31 (in thousands)				2015				2014
Liability Derivatives		Balance Sheet Location
Derivatives not designated or not qualifying as hedging instruments:
Foreign exchange forwards		Other current liabilities		$	39			$	—

Schedule of derivative instruments on the consolidated statements of operations

				Amount of Gain (Loss)  Recognized on Derivatives
				Year ended July 31,
(in thousands)				2015				2014				2013
Derivatives not designated or not qualifying as hedging instruments		Location of Gain (Loss) Recognized on Derivatives
Foreign exchange forwards		Other (expense) income, net		$	(58	)		$	—			$	—

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Tabular disclosure of derivative assets at fair value.

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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=56946850&loc=SL5618551-113959

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Tabular disclosure of the presentation of foreign exchange contracts on the statement of financial position, including the fair value amounts and location of such amounts.

+ 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)(1)



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