Business Combinations (Schedule Of Pro Forma Adjustments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Business Combinations [Abstract]
Amortization of intangible assets		$ 72		$ 271
Acquisition-related professional fees		(38)		(256)
Interest expense		20		105
Income tax benefit (expense )		10		77
Total adjustments		$ 64		$ 197