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Goodwill And Other Acquired Intangible Assets
12 Months Ended
Nov. 30, 2011
Goodwill And Other Acquired Intangible Assets [Abstract]  
Goodwill And Other Acquired Intangible Assets

8.    Goodwill and Other Acquired Intangible Assets

Goodwill

The changes in the carrying amount of goodwill for the fiscal years ended November 30, 2011 and 2010 are as follows (in thousands):

Acquired Intangible Assets

Our acquired intangible assets are subject to amortization on a straight line basis over their estimated useful lives as follows:

 

                 
     Estimated
Life
     Weighted Average
Remaining Life
 

Developed technologies

     4 to 9 years         4.2 years   

Customer base

     3 to 9 years         3.7 years   

Patents/core technologies

     3 to 8 years         3.4 years   

Trademarks

     2 to 8 years         4.1 years   

Maintenance agreements

     4 to 9 years         3.8 years   

 

The carrying values of our amortized acquired intangible assets are as follows (in thousands):

 

                                                 
     November 30, 2011      November 30, 2010  
     Gross
Carrying
Amount
     Accumulated
Amortization
    Net
Carrying
Amount
     Gross
Carrying
Amount
     Accumulated
Amortization
    Net
Carrying
Amount
 

Developed technologies

   $ 146,289       $ (102,034   $ 44,255       $ 129,492       $ (85,589   $ 43,903   

Customer base

     56,165         (37,376     18,789         49,433         (31,606     17,827   

Patents/core technologies

     27,922         (21,542     6,380         27,628         (17,373     10,255   

Trademarks

     9,771         (7,077     2,694         8,334         (6,103     2,231   

Non-compete agreements

     580         (580     —           1,580         (1,541     39   

Maintenance agreements

     61,677         (38,237     23,440         57,915         (29,052     28,863   
    

 

 

    

 

 

   

 

 

    

 

 

    

 

 

   

 

 

 

Total intangible assets subject to amortization

     302,404         (206,846     95,558         274,382         (171,264     103,118   

In-process research and development

     1,700         —          1,700         1,700         —          1,700   
    

 

 

    

 

 

   

 

 

    

 

 

    

 

 

   

 

 

 

Total intangible assets

   $ 304,104       $ (206,846   $ 97,258       $ 276,082       $ (171,264   $ 104,818   
    

 

 

    

 

 

   

 

 

    

 

 

    

 

 

   

 

 

 

The estimated future amortization of acquired intangible assets as of November 30, 2011 is as follows (in thousands):

 

         

Year ending November 30,

      

2012

   $ 28,807   

2013

     24,705   

2014

     18,263   

2015

     13,325   

2016

     7,677   

Thereafter

     2,781   
    

 

 

 

Total intangible assets subject to amortization

     95,558   

In-process research and development

     1,700   
    

 

 

 

Total intangible assets, net

   $ 97,258