<ARTICLE> 5 <MULTIPLIER> 1000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> SEP-30-1996 <CASH> 62,610 <SECURITIES> 220,089 <RECEIVABLES> 65,858 <ALLOWANCES> 0 <INVENTORY> 16,802 <CURRENT-ASSETS> 414,638 <PP&E> 206,462 <DEPRECIATION> 49,253 <TOTAL-ASSETS> 587,368 <CURRENT-LIABILITIES> 66,310 <BONDS> 59,956 <COMMON> 717 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 460,385 <TOTAL-LIABILITY-AND-EQUITY> 587,368 <SALES> 172,288 <TOTAL-REVENUES> 185,103 <CGS> 18,413 <TOTAL-COSTS> 154,337 <OTHER-EXPENSES> 1,812 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 28,954 <INCOME-TAX> (3,347) <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 32,301 <NET-INCOME> 0 <EPS-PRIMARY> .45 <EPS-DILUTED> .44