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Goodwill (Tables)
12 Months Ended
Jan. 27, 2013
Notes to financial statements [Abstract]  
Goodwill
 
January 27,
2013
 
January 29,
2012
 
(In thousands)
Icera
$
271,186

 
$
271,186

PortalPlayer
104,896

 
104,896

3dfx
75,326

 
75,326

Mental Images
59,252

 
59,252

MediaQ
35,167

 
35,167

ULi
31,115

 
31,115

Hybrid Graphics
27,906

 
27,906

Ageia
19,198

 
19,198

Other
16,984

 
16,984

Total goodwill
$
641,030

 
$
641,030