Note 11. Derivative Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Text Block]  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
   

Three Months Ended

   

Six Months Ended

 
   

June 30, 2013

   

July 1, 2012

   

June 30, 2013

   

July 1, 2012

 
           

(in thousands)

         
                                 

Beginning Balance

  $ 5,991     $ -     $ 1     $ -  

Net gain reclassified into earnings on cash flow hedges (effective portion)

    (2,835 )     -       (4,588 )     -  

Net gain reclassified into earnings on cash flow hedges (ineffective portion)

    (2,415 )     -       (2,415 )     -  

Net unrealized hedge gain arising during the period

    6,317       217       14,060       217  

Ending Balance

  $ 7,058     $ 217     $ 7,058     $ 217  
Derivative Instruments, Gain (Loss) [Table Text Block]
   

Three Months Ended

   

Six Months Ended

 
   

June 30, 2013

   

July 1, 2012

   

June 30, 2013

   

July 1, 2012

 
      (in thousands)  

Derivatives Designated as Hedging Instruments

                               

Foreign Exchange Forward Contracts

                               

Net unrealized gain recognized in OCI (1)

  $ 6,317     $ 217     $ 14,060     $ 217  

Net gain reclassified from accumulated OCI into income (effective portion)(2)

  $ (2,835 )   $ -     $ (4,588 )   $ -  

Net gain reclassified from accumulated OCI into income (ineffective portion) (3)

  $ (2,415 )   $ -     $ (2,415 )   $ -  

Derivatives Not Designated as Hedging Instruments

                               

Net gain (loss) recognized in income

                               

Swap interest expense (4)

  $ (2 )   $ (32 )   $ (8 )   $ (118 )

Foreign Exchange Forward Contracts (5)

  $ (2,349 )   $ (2,173 )   $ 240     $ (223 )

Foreign Exchange Options Contracts (5)

  $ 197     $ -     $ 197     $ -  

(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 income and other

(4)

Classified in interest expense

(5)

Classified in interest and other income (expense)

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
   

June 30, 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 Exchange Forward Contracts

  $ 4,487     $ 6,498     $ -     $ 3,032  

Foreign Exchange Options Contracts

  $ -     $ 197     $ -     $ -  
                                 

Other accrued liabilities

                               

Interest rate Swap

  $ -     $ -     $ -     $ 514  

Foreign Exchange Forward Contracts

  $ -     $ 102     $ -     $ 296