Note 10. Derivative Financial Instruments (Tables)
 3 Months Ended
Mar. 31, 2013
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
   
Three Months Ended
 
   
March 31, 2013
 
   
(in thousands)
 
       
Beginning Balance
  $ 1  
Net gain reclassified into earnings
    (1,753 )
Net unrealized hedge gain arising during the period
    7,743  
Ending Balance
  $ 5,991  
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Buy / Sell
  March 31, 2013     December 30, 2012  
    (in millions)  
                 
Japanese Yen / US dollar
   
-
    $
JPY 1,028.7 / 12.3
 
US dollar / Japanese Yen
  $
32/JPY 2,883
    $
45.1/ JPY 3,614
 
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]
   
Three Months Ended
 
   
March 31, 2013
   
March 25, 2012
 
   
(in thousands)
 
Derivatives Designated as Hedging Instruments
           
             
Foreign exchange forward contracts
           
             
Net gain recognized in OCI (1)
  $ 7,743     $ -  
                 
Net gain reclassified from accumulated OCI into income (2)
  $ (1,753 )   $ -  
                 
Derivatives Not Designated as Hedging Instruments
               
                 
Net loss (gain) recognized in income
               
                 
Swap interest expense (3)
  $ 6     $ 85  
                 
Foreign exchange forward contracts (4)
  $ (2,589 )   $ 284  
(1)      Net change in the fair value of the effective portion classified in other comprehensive income (OCI)
(2)      Effective portion classified as net product revenue
(3)      Classified in interest expense
(4)      Classified in interest income and other
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
   
March 31, 2013
   
December 30, 2012
 
Balance sheet location
 
Derivatives designated as hedging instruments
   
Derivatives not designated as hedging instruments
   
Derivatives designated as hedging instruments
   
Derivatives not designated as hedging instruments
 
         
(in thousands)
       
                                 
Prepaid expenses and other current assets
                               
Foreign Currency Forward Contracts
  $ 6,090     $ 1,396     $ -     $ 3,032  
                                 
Other accrued liabilities
                               
Interest rate Swap
  $ -     $ 251     $ -     $ 514  
Foreign Currency Forward Contracts
  $ 6     $ 38     $ -     $ 296  
                                 
Other long-term liabilties
                               
Interest rate Swap
  $ -     $ -     $ -     $ -