<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                          10,872
<SECURITIES>                                         0
<RECEIVABLES>                                  335,538
<ALLOWANCES>                                         0
<INVENTORY>                                     41,261
<CURRENT-ASSETS>                               390,167
<PP&E>                                       1,031,997
<DEPRECIATION>                               (285,119)
<TOTAL-ASSETS>                               1,187,731
<CURRENT-LIABILITIES>                          370,915
<BONDS>                                        155,000
<PREFERRED-MANDATORY>                              416
<PREFERRED>                                          0
<COMMON>                                         3,255
<OTHER-SE>                                     361,417
<TOTAL-LIABILITY-AND-EQUITY>                 1,187,731
<SALES>                                      1,208,989
<TOTAL-REVENUES>                             1,213,664
<CGS>                                        1,077,870
<TOTAL-COSTS>                                1,077,870
<OTHER-EXPENSES>                                82,382
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              16,027
<INCOME-PRETAX>                                 37,385
<INCOME-TAX>                                    13,645
<INCOME-CONTINUING>                             23,586
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    23,586
<EPS-BASIC>                                        .57
<EPS-DILUTED>                                      .56