<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEET/INCOME STATEMENT AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-START>                             OCT-01-1997             JAN-01-1997
<PERIOD-END>                               DEC-31-1997             DEC-31-1997
<CASH>                                               0                  39,723
<SECURITIES>                                         0                   6,607
<RECEIVABLES>                                        0                 158,074
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                     0                 215,112
<PP&E>                                               0                  57,106
<DEPRECIATION>                                       0                  33,491
<TOTAL-ASSETS>                                       0                 327,605
<CURRENT-LIABILITIES>                                0                  71,087
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                   6,964
<OTHER-SE>                                           0                 247,810
<TOTAL-LIABILITY-AND-EQUITY>                         0                 327,605
<SALES>                                              0                       0
<TOTAL-REVENUES>                               207,607                 700,499
<CGS>                                                0                       0
<TOTAL-COSTS>                                  183,269                 617,773
<OTHER-EXPENSES>                                   398                   1,128
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                  21                     172
<INCOME-PRETAX>                                 25,040                  85,638
<INCOME-TAX>                                    10,750                  36,712
<INCOME-CONTINUING>                                  0                       0
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    14,290                  48,925
<EPS-PRIMARY>                                      .21                     .71
<EPS-DILUTED>                                      .20                     .69