<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 61,491 <SECURITIES> 93,387 <RECEIVABLES> 126,033 <ALLOWANCES> 8,406 <INVENTORY> 0 <CURRENT-ASSETS> 295,145 <PP&E> 50,080 <DEPRECIATION> 20,964 <TOTAL-ASSETS> 339,224 <CURRENT-LIABILITIES> 103,801 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 18 <OTHER-SE> 234,957 <TOTAL-LIABILITY-AND-EQUITY> 339,224 <SALES> 230,961 <TOTAL-REVENUES> 361,916 <CGS> 7,959 <TOTAL-COSTS> 331,571 <OTHER-EXPENSES> (6,917) <LOSS-PROVISION> 4,640 <INTEREST-EXPENSE> 179 <INCOME-PRETAX> 37,262 <INCOME-TAX> 17,279 <INCOME-CONTINUING> 19,983 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 19,983 <EPS-PRIMARY> 0.29 <EPS-DILUTED> 0.26