<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                          47,245
<SECURITIES>                                    19,734
<RECEIVABLES>                                   14,110
<ALLOWANCES>                                   (1,490)
<INVENTORY>                                          0
<CURRENT-ASSETS>                                90,115
<PP&E>                                          83,244
<DEPRECIATION>                                (57,166)
<TOTAL-ASSETS>                                 127,072
<CURRENT-LIABILITIES>                           63,176
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           270
<OTHER-SE>                                      60,260
<TOTAL-LIABILITY-AND-EQUITY>                   127,072
<SALES>                                              0
<TOTAL-REVENUES>                                79,972
<CGS>                                                0
<TOTAL-COSTS>                                   68,886
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   889
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 11,942
<INCOME-TAX>                                     4,600
<INCOME-CONTINUING>                              7,342
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                        (823)
<NET-INCOME>                                     6,519
<EPS-PRIMARY>                                     0.25
<EPS-DILUTED>                                     0.25