Accounts receivable, net (Tables)

3 Months Ended

Oct. 31, 2016

Percentage of Net Product and Engineering Revenue from Major Customers

Set forth in the table below are customers which individually accounted for 10% or more of our net revenue.

	Three Months Ended October 31,
	2016			2015
Koninklijke Philips Electronics N.V., or Philips		13	%		13	%
Siemens AG		13	%		14	%
L-3 Communications Corporation, or L-3		10	%			*
Toshiba Corporation, or Toshiba			*		11	%

Note (*): Total net revenue was less than 10% in this period.

Summary of Net Accounts Receivable Due from Customers With Net Accounts Receivable Balance Greater than or Equal to 10% of Net Account Receivable Balance

The following table summarizes our customers with net accounts receivable balances greater than or equal to 10% of our total net accounts receivable balance:

	As of October 31, 2016			As of July 31, 2016
L-3		17	%		17	%
Philips		13	%		15	%