<ARTICLE> 5
<LEGEND>
RESTATED FINANCIAL DATA SCHEDULE
</LEGEND>
<RESTATED> 
       
                                                                                            
<PERIOD-TYPE>                   3-MOS                   3-MOS                   3-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1995             DEC-31-1995             DEC-31-1995             DEC-31-1995
<PERIOD-END>                               MAR-31-1995             JUN-30-1995             SEP-30-1995             DEC-31-1995
<CASH>                                         174,708                 124,184                  77,426                  91,442
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                  271,224                 273,075                 288,466                 303,839
<ALLOWANCES>                                    29,925                  26,815                  24,383                  25,865
<INVENTORY>                                     32,789                  34,835                  40,346                  42,844
<CURRENT-ASSETS>                               573,749                 492,178                 460,666                 472,628
<PP&E>                                       1,839,190               1,906,855               1,966,902               2,007,473
<DEPRECIATION>                                 675,246                 695,128                 718,318                 740,864
<TOTAL-ASSETS>                               3,287,941               3,309,283               3,320,821               3,389,704
<CURRENT-LIABILITIES>                          496,600                 514,886                 490,939                 516,621
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                      1,753                   1,753                   1,753                   1,753
<COMMON>                                        10,867                  10,873                  10,910                  10,952
<OTHER-SE>                                   1,529,451               1,531,189               1,549,551               1,599,397
<TOTAL-LIABILITY-AND-EQUITY>                 3,287,941               3,309,283               3,320,821               3,389,704
<SALES>                                              0                       0                       0                       0
<TOTAL-REVENUES>                               571,043               1,181,023               1,754,001               2,409,069
<CGS>                                                0                       0                       0                       0
<TOTAL-COSTS>                                  307,558                 624,413                 947,189               1,304,418
<OTHER-EXPENSES>                                     0                       0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                               7,344                  14,076                  19,653                  25,230
<INCOME-PRETAX>                                 52,295                 130,602                 182,399                 233,839
<INCOME-TAX>                                    24,936                  59,987                  79,578                  97,979
<INCOME-CONTINUING>                             27,359                  70,615                 102,821                 135,860
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                    27,359                  70,615                 102,821                 135,860
<EPS-PRIMARY>                                     0.28                    0.73                    1.06                    1.40
<EPS-DILUTED>                                     0.28                    0.73                    1.06                    1.40