<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 185,977 <SECURITIES> 271,010 <RECEIVABLES> 377,205 <ALLOWANCES> (7,451) <INVENTORY> 217,489 <CURRENT-ASSETS> 1,151,953 <PP&E> 2,310,306 <DEPRECIATION> (1,013,126) <TOTAL-ASSETS> 2,975,302 <CURRENT-LIABILITIES> 531,634 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,473 <OTHER-SE> 1,625,127 <TOTAL-LIABILITY-AND-EQUITY> 2,975,302 <SALES> 1,504,588 <TOTAL-REVENUES> 1,504,588 <CGS> 942,074 <TOTAL-COSTS> 942,074 <OTHER-EXPENSES> 451,926 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (29,604) <INCOME-PRETAX> 92,185 <INCOME-TAX> 26,420 <INCOME-CONTINUING> 65,765 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> (91,774) <NET-INCOME> (26,009) <EPS-BASIC> (0.18) <EPS-DILUTED> (0.17)