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

  

                                             Exhibit 27

                Financial Data Schedule


<ARTICLE>                     5
<LEGEND>                      THIS SCHEDULE CONTAINS
                              SUMMARY FINANCIAL INFORMATION
                              EXTRACTED FROM THE FINANCIAL
                              STATEMENTS OF THE REGISTRANT
                              FOR THE SIX MONTHS ENDED JUNE
                              30, 1997 AND IS QUALIFIED IN
                              ITS ENTIRETY BY REFERENCE TO
                              SUCH FINANCIAL STATEMENTS.
<MULTIPLIER>                  1,000
<PERIOD-TYPE>                 6-MOS
<FISCAL-YEAR-END>             DEC-31-1997
<PERIOD-END>                  JUN-30-1997
<CASH>                        116,080
<SECURITIES>                  0
<RECEIVABLES>                 1,286,688
<ALLOWANCES>                  35,289
<INVENTORY>                   0
<CURRENT-ASSETS>              1,510,890
<PP&E>                        302,621
<DEPRECIATION>                184,629
<TOTAL-ASSETS>                1,831,695
<CURRENT-LIABILITIES>         866,054
<BONDS>                       129,287
<PREFERRED-MANDATORY>         0
<PREFERRED>                   0
<COMMON>                      827
<OTHER-SE>                    600,880
<TOTAL-LIABILITY-AND-EQUITY>  1,831,695
<SALES>                       0
<TOTAL-REVENUES>              3,313,218
<CGS>                         0
<TOTAL-COSTS>                 2,717,413
<OTHER-EXPENSES>              0
<LOSS-PROVISION>              6,702
<INTEREST-EXPENSE>            4,500
<INCOME-PRETAX>               100,720
<INCOME-TAX>                  33,229
<INCOME-CONTINUING>           67,491
<DISCONTINUED>                0
<EXTRAORDINARY>               0
<CHANGES>                     0
<NET-INCOME>                  67,491
<EPS-PRIMARY>                 0.81
<EPS-DILUTED>                 0