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Goodwill and Acquisition-Related Intangibles
12 Months Ended
Mar. 31, 2012
Goodwill and Acquisition-Related Intangibles [Abstract]  
Goodwill and Acquisition-Related Intangibles

Note 20. Goodwill and Acquisition-Related Intangibles

As of March 31, 2012 and April 2, 2011, the gross and net amounts of goodwill and of acquisition-related intangibles for all acquisitions were as follows:

 

 

                         
                Weighted Average  
(In thousands)   2012     2011     Amortization Life  

Goodwill

  $ 149,538     $ 133,580          
   

 

 

   

 

 

         

In-process research and development

  $ 4,000     $ 6,000          
   

 

 

   

 

 

         

Core technology—gross

    76,440       58,439       5.7 years  

Less accumulated amortization

    (46,051     (39,789        
   

 

 

   

 

 

         

Core technology—net

    30,389       18,650          
   

 

 

   

 

 

         

Other intangibles—gross

    46,206       45,201       2.7 years  

Less accumulated amortization

    (44,263     (42,955        
   

 

 

   

 

 

         

Other intangibles—net

    1,943       2,246          
   

 

 

   

 

 

         

Total acquisition-related intangibles-gross

    126,646       109,640          

Less accumulated amortization

    (90,314     (82,744        
   

 

 

   

 

 

         

Total acquisition-related intangibles-net

  $ 36,332     $ 26,896          
   

 

 

   

 

 

         

Amortization expense for all intangible assets for fiscal 2012, 2011 and 2010 was $7.6 million, $1.0 million and $2.5 million, respectively. Acquisition-related intangible assets are amortized on a straight-line basis. Based on the carrying value of acquisition-related intangibles recorded as of March 31, 2012, the annual amortization expense for acquisition-related intangibles is expected to be as follows:

 

         
Fiscal Year   (In thousands)  

2013

  $ 8,536  

2014

    7,918  

2015

    7,289  

2016

    6,742  

2017

    4,986  

Thereafter

    861  
   

 

 

 

Total

  $ 36,332