<ARTICLE> 5
       
                                                               
<PERIOD-TYPE>                    12-MOS        9-MOS         6-MOS         3-MOS
<FISCAL-YEAR-END>                DEC-27-1998   DEC-27-1998   DEC-27-1998   DEC-27-1998
<PERIOD-START>                   DEC-29-1997   DEC-29-1997   DEC-29-1997   DEC-29-1997
<PERIOD-END>                     DEC-27-1998   SEP-27-1998   JUN-28-1998   MAR-29-1998
<CASH>                                33,814        29,692        24,119        26,367
<SECURITIES>                          47,355        51,013        59,940        58,778
<RECEIVABLES>                         17,420        15,555        13,918        15,179
<ALLOWANCES>                               0             0             0             0
<INVENTORY>                            9,808         9,231         9,175        10,826
<CURRENT-ASSETS>                      68,023        57,127        49,744        55,158
<PP&E>                               222,859       207,414       181,372       165,652
<DEPRECIATION>                        49,987        46,184        41,658        38,220
<TOTAL-ASSETS>                       319,724       300,231       283,052       272,728
<CURRENT-LIABILITIES>                 45,495        43,168        36,155        40,767
<BONDS>                                1,130         1,130         1,130         1,130
<PREFERRED-MANDATORY>                      0             0             0             0
<PREFERRED>                                0             0             0             0   
<COMMON>                                 298           296           296           294
<OTHER-SE>                           253,872       238,647       229,225       215,575
<TOTAL-LIABILITY-AND-EQUITY>         319,724       300,231       283,052       272,729
<SALES>                              644,576       463,302       303,299       147,178
<TOTAL-REVENUES>                     682,152       490,129       320,697       155,493
<CGS>                                328,547       233,171       151,351        73,890
<TOTAL-COSTS>                        552,128       395,570       258,077       125,745
<OTHER-EXPENSES>                      72,879        53,796        36,237        17,398
<LOSS-PROVISION>                           0             0             0             0
<INTEREST-EXPENSE>                         0             0             0             0  
<INCOME-PRETAX>                       57,146        40,763        26,382        12,350
<INCOME-TAX>                          22,181        15,925        10,243         4,841
<INCOME-CONTINUING>                   34,964        24,838        16,139         7,509
<DISCONTINUED>                             0             0             0             0 
<EXTRAORDINARY>                            0             0             0             0 
<CHANGES>                             (2,603)       (2,603)       (2,603)       (2,603)
<NET-INCOME>                          32,361        22,235        13,536         4,906
<EPS-PRIMARY>                           1.10          0.75          0.46          0.17
<EPS-DILUTED>                           1.06          0.73          0.45          0.16