SHAREHOLDERS' EQUITY (Tables)
 12 Months Ended
Dec. 29, 2013
SHAREHOLDERS' EQUITY [Abstract]  
Changes in the number of shares of our common stock
The changes in the number of shares of our common stock (excluding Treasury stock) during 2013, 2012 and 2011 are as follows (in thousands):

 
 
Common Stock
 
 
 
Class C
  
Class B
  
Class A
 
Balance at December 26, 2010
  
3,264
   
8,595
   
43,196
 
Conversion of class B shares to class A shares
  
-
   
(1,683
)
  
1,683
 
Shares repurchased
  
-
   
-
   
(1,100
)
Shares issued under equity incentive and employee stock purchase plans
  
-
   
302
   
-
 
Balance at December 25, 2011
  
3,264
   
7,214
   
43,779
 
Conversion of class B shares to class A shares
  
-
   
(682
)
  
682
 
Shares repurchased
  
(3,264
)
      
(710
)
Shares issued under equity incentive and employee stock purchase plans
  
-
   
374
   
-
 
Balance at December 30, 2012
  
-
   
6,906
   
43,751
 
Conversion of class B shares to class A shares
  
-
   
(919
)
  
919
 
Shares repurchased
  
-
   
-
   
-
 
Shares issued under equity incentive and employee stock purchase plans
  
-
   
147
   
-
 
Balance at December 29, 2013
  
-
   
6,134
   
44,670