<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS AS OF AND FOR THE SIX MONTH PERIOD ENDED JUNE 30, 1999 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                         112,983
<SECURITIES>                                         0
<RECEIVABLES>                                   41,336
<ALLOWANCES>                                     2,133
<INVENTORY>                                          0
<CURRENT-ASSETS>                               153,447
<PP&E>                                          55,757
<DEPRECIATION>                                  19,043
<TOTAL-ASSETS>                                 884,488
<CURRENT-LIABILITIES>                           28,997
<BONDS>                                          1,481
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            51
<OTHER-SE>                                     756,279
<TOTAL-LIABILITY-AND-EQUITY>                   884,488
<SALES>                                              0
<TOTAL-REVENUES>                                89,614
<CGS>                                                0
<TOTAL-COSTS>                                   66,330
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   737
<INTEREST-EXPENSE>                                 577
<INCOME-PRETAX>                                 22,534
<INCOME-TAX>                                     9,239
<INCOME-CONTINUING>                             13,295
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    13,295
<EPS-BASIC>                                       0.27
<EPS-DILUTED>                                     0.27