<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JUL-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                          40,746
<SECURITIES>                                   109,850
<RECEIVABLES>                                   54,832
<ALLOWANCES>                                   (4,441)
<INVENTORY>                                        326
<CURRENT-ASSETS>                               153,446
<PP&E>                                          28,039
<DEPRECIATION>                                (13,442)
<TOTAL-ASSETS>                                 271,207
<CURRENT-LIABILITIES>                           23,515
<BONDS>                                        100,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            26
<OTHER-SE>                                     147,502
<TOTAL-LIABILITY-AND-EQUITY>                   271,207
<SALES>                                         47,750
<TOTAL-REVENUES>                                47,750
<CGS>                                           16,542
<TOTAL-COSTS>                                   16,542
<OTHER-EXPENSES>                                23,010
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             (1,418)
<INCOME-PRETAX>                                  8,810
<INCOME-TAX>                                     3,734
<INCOME-CONTINUING>                              5,076
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,076
<EPS-PRIMARY>                                     0.20
<EPS-DILUTED>                                     0.19