<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE JUNE
30, 1999 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                         115,000
<SECURITIES>                                         0
<RECEIVABLES>                                  256,600
<ALLOWANCES>                                     9,800
<INVENTORY>                                          0
<CURRENT-ASSETS>                               382,100
<PP&E>                                          94,800
<DEPRECIATION>                                  64,000
<TOTAL-ASSETS>                                 548,100
<CURRENT-LIABILITIES>                          169,900
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           500
<OTHER-SE>                                     311,800
<TOTAL-LIABILITY-AND-EQUITY>                   548,100
<SALES>                                        596,200
<TOTAL-REVENUES>                               596,200
<CGS>                                          318,800
<TOTAL-COSTS>                                  559,100
<OTHER-EXPENSES>                                 2,500
<LOSS-PROVISION>                                 3,800
<INTEREST-EXPENSE>                                 100
<INCOME-PRETAX>                                 34,600
<INCOME-TAX>                                    14,200
<INCOME-CONTINUING>                             20,400
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    20,400
<EPS-BASIC>                                       0.48
<EPS-DILUTED>                                     0.47