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Marketable Securities (Tables)
 6 Months Ended
Jun. 30, 2012
Marketable Securities [Abstract]  
Schedule of aggregate fair value of available for sale securities and aggregate amount of unrealized gains and losses
                         
(In thousands)   Aggregate
Fair Value		     Aggregate Amount of
Unrealized		  
    Gains     Losses  

Equity securities

   $ 532     $ 88     $ —    

Certificates of deposit

     4,244       —         —    
   

 

 

    

 

 

    

 

 

  
    $ 4,776     $ 88     $ —    
   

 

 

    

 

 

    

 

 

  
                         
(In thousands)   Aggregate
Fair Value		     Aggregate Amount of
Unrealized		  
    Gains     Losses  

Equity securities

   $ 542     $ 93     $ —    

Certificates of deposit

     4,245       —         —    
   

 

 

    

 

 

    

 

 

  
    $ 4,787     $ 93     $ —    
   

 

 

    

 

 

    

 

 

  
Contractual maturities of certificates of deposit
         
(In thousands)   June 30,
2012		  

0 – 1 Year

   $ 4,244  

1 – 2 Years

     —    

2 – 3 Years

     —    

3 – 5 Years

     —    

5 – 10 Years

     —    

More than 10 years

     —    
   

 

 

  
    $ 4,244  
   

 

 

  
Gross realized gains and losses on sales of available for sale securities
                                 
    Three Months Ended     Six Months Ended  
(In thousands)   June 30,
2012		     July 2,
2011		     June 30,
2012		     July 2,
2011		  

Gross realized gains

   $ —       $ 39     $ —       $ 66  

Gross realized losses

     —         —         —         —    
   

 

 

    

 

 

    

 

 

    

 

 

  
    $ —       $ 39     $ —       $ 66