Derivative Instruments (Tables)

12 Months Ended

Jul. 31, 2016

Derivative Instruments [Abstract]

Schedule of derivative assets fair value

July 31 (in thousands)		2016		2015
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)		2016		2015
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)		2016			2015			2014
Derivatives not designated or not qualifying as hedging instruments	Location of Gain (Loss) Recognized on Derivatives
Foreign exchange forwards	Other income (expense), net	$	(145	)	$	(58	)	$	—