<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> Dec-31-2000 <PERIOD-END> Jun-30-2000 <CASH> 60,126 <SECURITIES> 80,364 <RECEIVABLES> 67,491 <ALLOWANCES> 4,211 <INVENTORY> 27,486 <CURRENT-ASSETS> 250,803 <PP&E> 130,059 <DEPRECIATION> 53,790 <TOTAL-ASSETS> 347,364 <CURRENT-LIABILITIES> 53,750 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 503 <OTHER-SE> 286,475 <TOTAL-LIABILITY-AND-EQUITY> 347,364 <SALES> 193,655 <TOTAL-REVENUES> 193,655 <CGS> 46,269 <TOTAL-COSTS> 46,269 <OTHER-EXPENSES> 109,158 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 39,846 <INCOME-TAX> 12,751 <INCOME-CONTINUING> 27,095 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 27,095 <EPS-BASIC> 0.54 <EPS-DILUTED> 0.51