<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> MAR-31-1999 <CASH> 49,900 <SECURITIES> 0 <RECEIVABLES> 203,800 <ALLOWANCES> 4,200 <INVENTORY> 135,500 <CURRENT-ASSETS> 588,200<F1> <PP&E> 1,494,600 <DEPRECIATION> (864,500) <TOTAL-ASSETS> 2,490,100<F1> <CURRENT-LIABILITIES> 736,500 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 700 <OTHER-SE> 74,200 <TOTAL-LIABILITY-AND-EQUITY> 2,490,100 <SALES> 345,400 <TOTAL-REVENUES> 358,100 <CGS> 208,800 <TOTAL-COSTS> 208,800 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 3,800 <INCOME-PRETAX> 31,700 <INCOME-TAX> 11,700 <INCOME-CONTINUING> 20,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 20,000 <EPS-PRIMARY> .28 <EPS-DILUTED> .27 <FN> <F1> Includes net assets of discontinued operations of $8,400. </FN>