<ARTICLE> 5
<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999
<PERIOD-START>                             JUL-01-1999             JAN-01-1999
<PERIOD-END>                               SEP-30-1999             SEP-30-1999
<CASH>                                               0                  82,486
<SECURITIES>                                         0                   5,482
<RECEIVABLES>                                        0                 251,454
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                     0                 368,013
<PP&E>                                               0                  82,054
<DEPRECIATION>                                       0                  52,498
<TOTAL-ASSETS>                                       0                 544,010
<CURRENT-LIABILITIES>                                0                 100,131
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                   7,205
<OTHER-SE>                                           0                 434,910
<TOTAL-LIABILITY-AND-EQUITY>                         0                 544,010
<SALES>                                              0                       0
<TOTAL-REVENUES>                               255,601                 821,070
<CGS>                                                0                       0
<TOTAL-COSTS>                                  224,288                 696,770
<OTHER-EXPENSES>                                   501                   1,222
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   0                       0
<INCOME-PRETAX>                                 32,649                 128,557
<INCOME-TAX>                                    13,223                  52,320
<INCOME-CONTINUING>                                  0                       0
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    19,426                  76,237
<EPS-BASIC>                                        .27                    1.06
<EPS-DILUTED>                                      .27                    1.05