Customer and Geographic Information (Tables)

3 Months Ended

Oct. 31, 2015

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:

	Three months ended October 31,
	2015		2014
United States
U.S. government	41.4	%	24.9	%
Commercial	14.6	%	13.9	%
Total United States	56.0	%	38.8	%
International
North African country	6.1	%	14.6	%
Other international	37.9	%	46.6	%
Total International	44.0	%	61.2	%