<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> MAR-30-1995 <CASH> 299,611 <SECURITIES> 188,615 <RECEIVABLES> 161,008 <ALLOWANCES> 4,850 <INVENTORY> 119,416 <CURRENT-ASSETS> 813,134 <PP&E> 1,099,848 <DEPRECIATION> 469,796 <TOTAL-ASSETS> 1,505,145 <CURRENT-LIABILITIES> 382,519 <BONDS> 143,750 <COMMON> 607 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 790,253 <TOTAL-LIABILITY-AND-EQUITY> 1,505,145 <SALES> 280,158 <TOTAL-REVENUES> 280,158 <CGS> 153,399 <TOTAL-COSTS> 153,399 <OTHER-EXPENSES> 63,713 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 4,183 <INCOME-PRETAX> 64,344 <INCOME-TAX> 18,016 <INCOME-CONTINUING> 45,260 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 45,260 <EPS-PRIMARY> .37 <EPS-DILUTED> .35