<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> 38,900 <SECURITIES> 25,714 <RECEIVABLES> 58,989 <ALLOWANCES> (3,050) <INVENTORY> 450 <CURRENT-ASSETS> 136,493 <PP&E> 33,908 <DEPRECIATION> (15,623) <TOTAL-ASSETS> 267,553 <CURRENT-LIABILITIES> 27,599 <BONDS> 100,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 25 <OTHER-SE> 139,250 <TOTAL-LIABILITY-AND-EQUITY> 267,553 <SALES> 49,189 <TOTAL-REVENUES> 49,189 <CGS> 19,374 <TOTAL-COSTS> 19,374 <OTHER-EXPENSES> 26,130 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,381 <INCOME-PRETAX> 3,988 <INCOME-TAX> 1,864 <INCOME-CONTINUING> 2,124 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,124 <EPS-PRIMARY> 0.08 <EPS-DILUTED> 0.08