<ARTICLE> 5 <MULTIPLIER> 1000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <CASH> 173,966 <SECURITIES> 86,215 <RECEIVABLES> 99,130 <ALLOWANCES> 7,673 <INVENTORY> 19,177 <CURRENT-ASSETS> 391,327 <PP&E> 72,071 <DEPRECIATION> 24,972 <TOTAL-ASSETS> 585,309 <CURRENT-LIABILITIES> 86,062 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 21 <OTHER-SE> 498,678 <TOTAL-LIABILITY-AND-EQUITY> 585,309 <SALES> 518,183 <TOTAL-REVENUES> 518,183 <CGS> 209,837 <TOTAL-COSTS> 209,837 <OTHER-EXPENSES> 196,950 <LOSS-PROVISION> 476 <INTEREST-EXPENSE> (8,402) <INCOME-PRETAX> 119,322 <INCOME-TAX> 36,035 <INCOME-CONTINUING> 83,287 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 83,287 <EPS-BASIC> 0.42 <EPS-DILUTED> 0.36