<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONDENSED CONSOLIDATED FINANCIAL STATEMENTS INCLUDED IN ITS QUARTERLY
REPORT ON FORM 10-Q FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 1998 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                          23,538
<SECURITIES>                                         0
<RECEIVABLES>                                  485,620<F1>
<ALLOWANCES>                                    14,135<F2>
<INVENTORY>                                     29,397
<CURRENT-ASSETS>                               599,820
<PP&E>                                       1,831,725
<DEPRECIATION>                                 683,014
<TOTAL-ASSETS>                               2,198,953
<CURRENT-LIABILITIES>                          335,952
<BONDS>                                        818,775
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        11,028
<OTHER-SE>                                     857,518
<TOTAL-LIABILITY-AND-EQUITY>                 2,198,953
<SALES>                                      2,107,752
<TOTAL-REVENUES>                             2,115,710
<CGS>                                                0
<TOTAL-COSTS>                                1,898,799
<OTHER-EXPENSES>                                74,318
<LOSS-PROVISION>                                     0<F3>
<INTEREST-EXPENSE>                              48,869
<INCOME-PRETAX>                                 93,724
<INCOME-TAX>                                    32,803
<INCOME-CONTINUING>                             60,921
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                      (4,415)
<NET-INCOME>                                    56,506
<EPS-BASIC>                                        .54
<EPS-DILUTED>                                      .54
<FN>
<F1>Excludes $25,831 of long-term notes receivable.
<F2>Excludes $2,997 of allowance for doubtful long-term notes receivable.
<F3>Included in Total cost and expenses line.
</FN>