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Segment Information (Tables)
3 Months Ended
Sep. 30, 2011
Segment Reporting [Abstract] 
Revenues and gross profit for each segment
The following table represents revenues and gross profit for each segment for the three and six months ended September 30, 2011 (amounts in thousands):

 
Three Months Ended
 
Six Months Ended
 
September 30, 2011
 
September 30, 2011
 
Net Sales
 
Gross Profit
 
Net Sales
 
Gross Profit
Semiconductor products
$
318,618

 
$
174,469

 
$
672,478

 
$
374,534

Technology licensing
21,984

 
20,525

 
42,631

 
40,208

 
$
340,602

 
$
194,994

 
$
715,109

 
$
414,742



The following table represents revenues and gross profit for each segment for the three and six months ended September 30, 2010 (amounts in thousands):

 
Three Months Ended
 
Six Months Ended
 
September 30, 2010
 
September 30, 2010
 
Net Sales
 
Gross Profit
 
Net Sales
 
Gross Profit
Semiconductor products
$
364,999

 
$
208,729

 
$
706,767

 
$
401,833

Technology licensing
17,272

 
16,276

 
32,629

 
30,615

 
$
382,271

 
$
225,005

 
$
739,396

 
$
432,448