Customer and Geographic Information (Tables)

9 Months Ended

Apr. 30, 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 April 30,				Nine months ended April 30,
	2015		2014		2015		2014
United States
U.S. government	37.5	%	27.4	%	29.7	%	28.1	%
Commercial	11.9	%	10.3	%	12.5	%	12.9	%
Total United States	49.4	%	37.7	%	42.2	%	41.0	%
International
North African country	17.3	%	22.4	%	15.6	%	16.3	%
Other international	33.3	%	39.9	%	42.2	%	42.7	%
Total International	50.6	%	62.3	%	57.8	%	59.0	%