<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, 1997 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-31-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          42,681
<SECURITIES>                                         0
<RECEIVABLES>                                  551,076<F1>
<ALLOWANCES>                                    33,470<F2>
<INVENTORY>                                     57,555
<CURRENT-ASSETS>                               694,151
<PP&E>                                       1,846,499
<DEPRECIATION>                                 651,480
<TOTAL-ASSETS>                               2,468,824
<CURRENT-LIABILITIES>                          379,672
<BONDS>                                        845,886
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        11,601     
<OTHER-SE>                                   1,055,967
<TOTAL-LIABILITY-AND-EQUITY>                 2,468,824
<SALES>                                      2,439,115
<TOTAL-REVENUES>                             2,448,871
<CGS>                                                0
<TOTAL-COSTS>                                2,192,135
<OTHER-EXPENSES>                                81,489
<LOSS-PROVISION>                                     0<F3>
<INTEREST-EXPENSE>                              64,303
<INCOME-PRETAX>                                110,944
<INCOME-TAX>                                    44,378
<INCOME-CONTINUING>                             66,566
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    66,566
<EPS-PRIMARY>                                      .67
<EPS-DILUTED>                                      .66
<FN>
<F1>Excludes $30,258 of long-term notes receivable.
<F2>Excludes $4,430 of allowance for long-term notes receivable.
<F3>Included in Total costs and expenses line.
</FN>