<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 73,553 <SECURITIES> 131,033 <RECEIVABLES> 50,056 <ALLOWANCES> 4,030 <INVENTORY> 51,545 <CURRENT-ASSETS> 318,462 <PP&E> 56,429 <DEPRECIATION> 28,813 <TOTAL-ASSETS> 349,370 <CURRENT-LIABILITIES> 31,163 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,538 <OTHER-SE> 315,669 <TOTAL-LIABILITY-AND-EQUITY> 349,370 <SALES> 131,706 <TOTAL-REVENUES> 131,706 <CGS> 0 <TOTAL-COSTS> 55,092 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 25,030 <INCOME-TAX> 8,228 <INCOME-CONTINUING> 16,802 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 16,802 <EPS-BASIC> 0.82 <EPS-DILUTED> 0.82