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Note 13 - Business Unit Segment Information (Tables)
3 Months Ended
Mar. 30, 2013
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
    March 30, 2013    

March 31, 2012

 

Net sales

               

Electronics

  $ 79,415     $ 77,055  

Automotive

    59,385       52,626  

Electrical

    32,118       30,897  

Total net sales

  $ 170,918     $ 160,578  
                 

Depreciation and amortization

               

Electronics

  $ 4,861     $ 5,486  

Automotive

    1,984       1,449  

Electrical

    959       1,014  

Total depreciation and amortization

  $ 7,804     $ 7,949  
                 

Operating income

               

Electronics

  $ 12,143     $ 10,112  

Automotive

    9,483       9,505  

Electrical

    6,491       6,207  

Total operating income

    28,117       25,824  

Interest expense

    376       423  

Impairment, loan loss and equity in net loss of unconsolidated affiliate (1)

    10,678       525  

Other (income) expense, net

    (909 )     101  

Income before income taxes

  $ 17,972     $ 24,775  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
   

Net sales(a)

 
   

March 30, 2013

   

March 31, 2012

 
                 

United States

  $ 57,914     $ 55,253  

China

    33,614       30,444  

Other countries

    79,390       74,881  

Total

  $ 170,918     $ 160,578  
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
   

Long-lived assets(b)

 
   

March 30, 2013

   

December 29, 2012

 
                 

United States

  $ 13,963     $ 14,433  

China

    40,157       41,504  

Canada

    13,907       13,839  

Other countries

    52,273       51,135  

Total

  $ 120,300     $ 120,911