Basis of Presentation (Tables)

6 Months Ended

Jan. 31, 2013

Major Customers Who Accounted for 10% or More of net Product and Engineering Revenue

Our top ten customers combined for approximately 67% and 64% of our total net revenue for the three months ended January 31, 2013 and 2012, respectively, and 69% and 65% of our total net revenue for the six months ended January 31, 2013 and 2012, respectively. We had three customers which individually accounted for 10% or more of our net revenue during the three and six months ended January 31, 2013 and the six months ended January 31, 2012. We had two customers which individually accounted for 10% or more of our net revenue during the three months ended January 31, 2012. These customers are set forth in the table below:

	Three Months Ended January 31,						Six Months Ended January 31,
	2013			2012			2013			2012
Koninklijke Philips Electronics N.V. (“Philips”)		13	%		15	%		15	%		15	%
L-3 Communications Corporation (“L-3”)		12	%		*			11	%		*
Toshiba Corporation		11	%		*			11	%		11	%
Siemens AG*					11	%		*			11	%

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