Customer and Geographic Information (Tables)

12 Months Ended

Jul. 31, 2016

Geographic Areas, Revenues from External Customers [Abstract]

Schedule of net sales as a percentage, by geography and customer type

Sales by geography and customer type, as a percentage of consolidated net sales, are as follows:

	Fiscal Years Ended July 31,
	2016		2015		2014
United States
U.S. government	40.8	%	30.6	%	28.0	%
Domestic	29.2	%	13.2	%	12.6	%
Total United States	70.0	%	43.8	%	40.6	%
International
North African country	3.6	%	13.8	%	15.4	%
Other international	26.4	%	42.4	%	44.0	%
Total International	30.0	%	56.2	%	59.4	%