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                                                                      EXHIBIT 11



                      COMPUTATION OF PER SHARE EARNINGS
                    (IN THOUSANDS, EXCEPT PER SHARE DATA)
<TABLE>
<CAPTION>

                                                                              Year Ended
                                                           -------------------------------------------------
                                                           Dec. 29,             Dec. 31,            Dec. 25,
                                                            1996                 1995                1994
PRIMARY                                                     ----                 ----                ----
  <S>                                                      <C>                  <C>                 <C>            
  Average shares outstanding*                                96,021               99,452             107,888       
                                                                                                                   
  Net effect of dilutive                                                                                            
    stock options - based upon the                                                                                 
    Treasury Stock method using                                                                                    
    the average market price*                                 1,399                  744                 663       
                                                           --------             --------            --------       
                             TOTAL*                          97,420              100,196             108,551       
                                                           ========             ========            ========       
  Income before cumulative effect                                                                                  
     of change in accounting principle                     $267,873             $167,382            $170,900       
                                                                                                                   
  Cumulative effect of change in                                                                                   
     accounting principle for contributions                                       (7,320)                          
                                                           --------             --------            --------       
                             NET INCOME                    $267,873             $160,062            $170,900       
                                                           ========             ========            ========       
Earnings per Common and Common Equivalent Share                                                                    
  Income before cumulative effect of                                                                               
     change in accounting principle*                       $   2.75             $   1.67            $   1.57       
                                                                                                                   
  Cumulative effect of change in                                                                                   
      accounting principle for contributions*                                      (0.07)                          
                                                           --------             --------            --------       
                             NET INCOME PER SHARE*         $   2.75             $   1.60            $   1.57       
                                                           ========             ========            ========       
                                                                                                                   
FULLY DILUTED                                                                                                      
  Average shares outstanding*                                96,021               99,452             107,888       
                                                                                                                   
  Net effect of dilutive stock                                                                                     
    options - based upon Treasury                                                                                  
    Stock method using the higher                                                                                  
    of quarter-end or average                                                                                      
    market price*                                             1,517                  906                 730       
                                                           --------             --------            --------       
                             TOTAL*                          97,538              100,358             108,618       
                                                           ========             ========            ========       
  Income before cumulative effect of                                                                               
     change in accounting principle                        $267,873             $167,382            $170,900       
                                                                                                                   
  Cumulative effect of change in                                                                                   
     accounting principle for contributions                                       (7,320)                          
                                                           --------             --------            --------       
                             NET INCOME                    $267,873             $160,062            $170,900       
                                                           ========             ========            ========       
Earnings per Common and Common Equivalent Share                                                                    
  Income before cumulative effect of changes                                                                       
    accounting principle for contributions*                $   2.75             $   1.67            $   1.57       
  Cumulative effect of change in                                                                                   
     accounting principle for contributions*                                       (0.07)                          
                                                           --------             --------            --------       
                             NET INCOME PER SHARE*         $   2.75             $   1.60            $   1.57       
                                                           ========             ========            ========       
</TABLE>

* Average shares outstanding and earnings per common equivalent share have been
  restated to reflect a two-for-one stock split in the form of a 100% stock
  dividend, effected July 31, 1996.

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