<ARTICLE> 5
<LEGEND>
This schedule contains financial information extracted from SEC filing Form 10-Q
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               SEP-24-2000
<CASH>                                             959
<SECURITIES>                                         0
<RECEIVABLES>                                  176,849
<ALLOWANCES>                                     4,049
<INVENTORY>                                     15,357
<CURRENT-ASSETS>                               214,701
<PP&E>                                         786,830
<DEPRECIATION>                                 351,368
<TOTAL-ASSETS>                               2,152,630
<CURRENT-LIABILITIES>                          223,891
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           452
<OTHER-SE>                                     933,181
<TOTAL-LIABILITY-AND-EQUITY>                 2,152,630
<SALES>                                        832,125
<TOTAL-REVENUES>                               832,125
<CGS>                                                0
<TOTAL-COSTS>                                  663,523
<OTHER-EXPENSES>                                 (778)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              49,106
<INCOME-PRETAX>                                120,274
<INCOME-TAX>                                    58,056
<INCOME-CONTINUING>                             62,218
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    62,218
<EPS-BASIC>                                       1.25
<EPS-DILUTED>                                     1.25