<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL STATEMENTS CONTAINED IN ITEM 1 OF FORM 10-Q FOR THE PERIOD ENDED MARCH 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. FIGURES ARE ROUNDED TO THE NEAREST 100,000 (EXCEPT EPS). </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> MAR-31-2000 <CASH> 7,200 <SECURITIES> 0 <RECEIVABLES> 215,500 <ALLOWANCES> 0 <INVENTORY> 149,500 <CURRENT-ASSETS> 399,400 <PP&E> 856,600 <DEPRECIATION> 534,400 <TOTAL-ASSETS> 800,900 <CURRENT-LIABILITIES> 231,300 <BONDS> 75,100 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 22,200 <OTHER-SE> 428,800 <TOTAL-LIABILITY-AND-EQUITY> 800,900 <SALES> 220,700 <TOTAL-REVENUES> 220,700 <CGS> 157,600 <TOTAL-COSTS> 157,600 <OTHER-EXPENSES> 43,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,600 <INCOME-PRETAX> 19,500 <INCOME-TAX> 6,600 <INCOME-CONTINUING> 12,900 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 12,900 <EPS-BASIC> 0.57 <EPS-DILUTED> 0.57