<ARTICLE> 5

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-30-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                      47,355,863
<SECURITIES>                                         0
<RECEIVABLES>                               59,939,866
<ALLOWANCES>                                 1,036,724
<INVENTORY>                                 14,807,025
<CURRENT-ASSETS>                           129,782,492
<PP&E>                                     234,644,684
<DEPRECIATION>                             104,250,171
<TOTAL-ASSETS>                             306,746,775
<CURRENT-LIABILITIES>                       68,456,827
<BONDS>                                      5,231,061
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             1
<OTHER-SE>                                 219,987,143
<TOTAL-LIABILITY-AND-EQUITY>               306,746,775
<SALES>                                    227,470,710
<TOTAL-REVENUES>                           227,470,710
<CGS>                                      200,366,977
<TOTAL-COSTS>                              200,366,977
<OTHER-EXPENSES>                             1,971,378
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             17,250,241
<INCOME-TAX>                                 6,867,976
<INCOME-CONTINUING>                         10,382,265
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                10,382,265
<EPS-BASIC>                                 103,823.00
<EPS-DILUTED>                               103,823.00