Other Income (Expense), Net (Tables)

12 Months Ended

Jul. 31, 2017

Other Income (Expense), Net [Abstract]

Schedule of other income (expense), net

Year ended July 31  (in thousands)	2017			2016			2015
Foreign currency transaction gains (losses)	$	287		$	980		$	(1,704	)
Gain (loss) on marketable securities		323			543			(54	)
Gain (loss) on investments		355			(405	)		1,500
Other		(148	)		931			(430	)
TOTAL	$	817		$	2,049		$	(688	)