Note 4. Acquisition (Tables)
12 Months Ended
Dec. 28, 2014
Business Combinations [Abstract]  
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
   

Fair Values

 
   

($ in thousands)

 

Cash

    8,595  

Restricted cash

    23,923  

Accounts receivable

    1,534  

Inventory

    104,300  

Property and equipment, net

    12,143  

Intangible Assets

       
Developed technology        
Automotive microcontrollers     10,500  
Consumer microcontrollers     5,900  
Analog     12,700  
In-Process technology     500  
Customer relationships     18,800  
Trademarks     2,700  
Tradenames     1,400  

Deferred tax liability

    (3,739 )

Japan Pension related underfunded liability

    (23,923 )

Japan employees compensation and benefits liability

    (8,840 )

Gain on acquisition of Microcontroller and Analog business

    (7,950 )

Total Purchase Consideration

    158,543  
Business Acquisition, Pro Forma Information [Table Text Block]
   

Year Ended

 
   

December 29, 2013

   

December 30, 2012

 
   

(in thousands, except per share amounts)

 

Net sales

  $ 1,261,221     $ 1,518,020  

Net loss

  $ (178,115 )   $ (227,079 )
                 

Net loss

               

Basic

    (3.04 )     (3.79 )

Diluted

    (3.04 )     (3.79 )