<ARTICLE> 5
<MULTIPLIER> 1000
       
                                                  
<PERIOD-TYPE>                   YEAR                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995             DEC-31-1996
<PERIOD-END>                               DEC-31-1995             MAR-31-1996
<CASH>                                          30,021                  12,871
<SECURITIES>                                    25,013                       0
<RECEIVABLES>                                  170,314                 152,002
<ALLOWANCES>                                     3,447                   3,534
<INVENTORY>                                     11,459                  12,941
<CURRENT-ASSETS>                               334,245                 226,429
<PP&E>                                         740,687                 755,150
<DEPRECIATION>                                 314,728                 326,265
<TOTAL-ASSETS>                               1,655,552               1,652,598
<CURRENT-LIABILITIES>                          266,119                 208,986
<BONDS>                                          2,177                  31,824
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           801                     803
<OTHER-SE>                                   1,190,625               1,216,660
<TOTAL-LIABILITY-AND-EQUITY>                 1,655,552               1,652,598
<SALES>                                              0                       0
<TOTAL-REVENUES>                             1,030,378                 254,245
<CGS>                                                0                       0
<TOTAL-COSTS>                                        0                       0
<OTHER-EXPENSES>                               843,088                 215,312
<LOSS-PROVISION>                                 6,134                   1,457
<INTEREST-EXPENSE>                              11,223                   1,413
<INCOME-PRETAX>                                171,468                  35,681
<INCOME-TAX>                                    74,532                  15,274
<INCOME-CONTINUING>                             93,589                  19,720
<DISCONTINUED>                                  39,789                   9,595
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   133,378                  29,315
<EPS-PRIMARY>                                    $1.17                    $.25
<EPS-DILUTED>                                    $1.17                    $.25