<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF OPERATIONS FOUND IN
THE COMPANY'S FORM 10-Q FOR THE SIX-MONTHS-TO-DATE, AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                         405,677
<SECURITIES>                                    41,734
<RECEIVABLES>                                2,910,799
<ALLOWANCES>                                    22,468
<INVENTORY>                                          0
<CURRENT-ASSETS>                             3,658,836
<PP&E>                                         523,965
<DEPRECIATION>                                 292,488
<TOTAL-ASSETS>                               5,204,108
<CURRENT-LIABILITIES>                        3,603,745
<BONDS>                                        116,626
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        13,820
<OTHER-SE>                                     910,426
<TOTAL-LIABILITY-AND-EQUITY>                 5,204,108
<SALES>                                              0
<TOTAL-REVENUES>                             1,409,551
<CGS>                                                0
<TOTAL-COSTS>                                1,203,600
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              21,483
<INCOME-PRETAX>                                205,951
<INCOME-TAX>                                    86,543
<INCOME-CONTINUING>                            111,799
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   111,799
<EPS-PRIMARY>                                      .91
<EPS-DILUTED>                                      .90