<ARTICLE> 5
<MULTIPLIER> 1000
       

                             Exhibit 27(c)

                                                                               
<PERIOD-TYPE>                12-MOS          3-MOS           6-MOS             9-MOS          12-MOS
<FISCAL-YEAR-END>            DEC-31-1995     DEC-31-1996     DEC-31-1996       DEC-31-1996    DEC-31-1996
<PERIOD-END>                 DEC-31-1995     MAR-31-1996     JUN-30-1996       SEP-30-1996    DEC-31-1996
<CASH>                            59,787          75,113          85,308            81,584         82,094
<SECURITIES>                           0               0               0                 0              0
<RECEIVABLES>                    526,899         480,175         519,399           543,978        561,093
<ALLOWANCES>                     (16,870)        (16,219)        (16,615)          (12,971)       (18,712)
<INVENTORY>                       26,578          25,202          28,772            33,772         32,916
<CURRENT-ASSETS>                 771,986         727,759         756,869           807,711        815,895
<PP&E>                           980,269       1,025,015       1,069,744         1,122,339      1,259,368
<DEPRECIATION>                  (405,595)       (418,974)       (431,372)         (457,743)      (506,719)
<TOTAL-ASSETS>                 2,084,958       2,138,286       2,205,373         2,282,126      2,081,866
<CURRENT-LIABILITIES>            593,667         640,393         687,073           756,474        815,086
<BONDS>                          480,410         477,273         477,253           477,239        477,201
<PREFERRED-MANDATORY>                  0               0               0                 0              0
<PREFERRED>                      145,166         144,493         143,932           143,551        133,117
<COMMON>                         271,853         272,699         272,798           272,732        275,126
<OTHER-SE>                       305,341         298,322         307,263           321,969        100,036
<TOTAL-LIABILITY-AND-EQUITY>   2,084,958       2,138,286       2,205,373         2,282,126      2,081,866
<SALES>                                0               0               0                 0              0
<TOTAL-REVENUES>               3,290,077         847,873       1,742,209         2,677,999      3,662,183
<CGS>                                  0               0               0                 0              0
<TOTAL-COSTS>                  3,103,390         812,659       1,654,338         2,535,712      3,470,035
<OTHER-EXPENSES>                  33,745           9,531          20,865            33,216         45,016
<LOSS-PROVISION>                       0               0               0                 0              0
<INTEREST-EXPENSE>                33,407           9,664          19,555            29,498         39,766
<INCOME-PRETAX>                  152,942          25,683          67,006           109,071        147,132
<INCOME-TAX>                      66,723          12,020          29,625            48,391         66,951
<INCOME-CONTINUING>               86,219          13,663          37,381            60,680         80,181
<DISCONTINUED>                   (28,854)        (13,383)        (23,445)          (26,890)       (52,633)
<EXTRAORDINARY>                        0               0               0                 0              0
<CHANGES>                              0               0               0                 0              0
<NET-INCOME>                      46,566          (1,854)          9,619            27,332         18,956
<EPS-PRIMARY>                       1.79            0.26            0.75              1.23           1.63
<EPS-DILUTED>                       1.64            0.24            0.69              1.13           1.48