WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

Exhibit 27 to 1997 Form 10-K

<ARTICLE>                     5
<LEGEND>
     
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS APPEARING IN EXHIBIT 13 TO THIS FORM 10-K AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.

</LEGEND>
                        
<MULTIPLIER>                        1,000
       
<S>                             <C>               <C>            <C>
<PERIOD-TYPE>                   12-MOS            12-MOS         12-MOS
<FISCAL-YEAR-END>               DEC-31-1997       DEC-31-1996    DEC-31-1995
<PERIOD-START>                  JAN-01-1997       JAN-01-1996    JAN-01-1995
<PERIOD-END>                    DEC-31-1997       DEC-31-1996    DEC-31-1995
<CASH>                             64,876            72,009         23,113
<SECURITIES>                       59,248            42,404         26,316
<RECEIVABLES>                     331,359           296,688        264,117
<ALLOWANCES>                       32,221            26,287         20,468
<INVENTORY>                        48,157            43,529         40,583
<CURRENT-ASSETS>                  594,084           499,334        393,239
<PP&E>                            362,653           320,713        292,283
<DEPRECIATION>                    204,383           174,313        146,431
<TOTAL-ASSETS>                  2,475,224         1,846,841      1,649,890
<CURRENT-LIABILITIES>             558,177           425,552        372,930
<BONDS>                         1,247,845           482,315        411,903
<PREFERRED-MANDATORY>                   0                 0              0
<PREFERRED>                             0                 0              0
<COMMON>                            1,866                 0              0
<OTHER-SE>                        522,572           796,767        746,660
<TOTAL-LIABILITY-AND-EQUITY>    2,475,224         1,846,841      1,649,890
<SALES>                                 0                 0              0
<TOTAL-REVENUES>                3,961,502         3,458,328      3,202,504
<CGS>                                   0                 0              0
<TOTAL-COSTS>                   3,058,160         2,681,008      2,499,700
<OTHER-EXPENSES>                  559,409           482,102        450,937
<LOSS-PROVISION>                        0                 0              0
<INTEREST-EXPENSE>                 76,447            38,298         35,855
<INCOME-PRETAX>                   274,279           252,397        177,607
<INCOME-TAX>                      110,809           101,968         71,753
<INCOME-CONTINUING>               163,470           150,429        105,854
<DISCONTINUED>                          0                 0              0
<EXTRAORDINARY>                         0                 0              0
<CHANGES>                               0                 0              0
<NET-INCOME>                      163,470           150,429        105,854
<EPS-PRIMARY>                        0.86              0.71           0.61    
<EPS-DILUTED>                        0.82              0.69           0.59
        


</TABLE>