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3dfx (Tables)
12 Months Ended
Jan. 26, 2014
Notes to financial statements [Abstract]  
Purchase Price Allocation of Assets Acquired from 3dfx
  
Fair Market Value
 
Straight-Line
Amortization Period
 
(In thousands)
 
(In years)
Property and equipment
$
2,433

 
1-2
Trademarks
11,310

 
5
Goodwill
85,418

 
Total
$
99,161