<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> SEP-30-1998 <CASH> 52,634 <SECURITIES> 154,944 <RECEIVABLES> 75,963 <ALLOWANCES> 2,920 <INVENTORY> 45,956 <CURRENT-ASSETS> 333,966 <PP&E> 57,294 <DEPRECIATION> 25,562 <TOTAL-ASSETS> 374,633 <CURRENT-LIABILITIES> 36,793 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,519 <OTHER-SE> 335,321 <TOTAL-LIABILITY-AND-EQUITY> 374,633 <SALES> 208,554 <TOTAL-REVENUES> 208,554 <CGS> 0 <TOTAL-COSTS> 88,646 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 46,013 <INCOME-TAX> 15,733 <INCOME-CONTINUING> 30,280 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 30,280 <EPS-PRIMARY> 1.36<F1> <EPS-DILUTED> 1.35 <FN> <F1> The amount is reported as EPS BASIC, NOT PRIMARY. </FN>