<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the financial statements included in the Company's Form 10-Q for the quarterly period ended September 30, 2000 and is qualified in its entirety by reference to such financial information. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> SEP-30-2000 <CASH> 41,600 <SECURITIES> 0 <RECEIVABLES> 67,800 <ALLOWANCES> 0 <INVENTORY> 41,600 <CURRENT-ASSETS> 182,900 <PP&E> 505,200 <DEPRECIATION> 269,500 <TOTAL-ASSETS> 562,000 <CURRENT-LIABILITIES> 78,100 <BONDS> 192,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4,300 <OTHER-SE> 215,100 <TOTAL-LIABILITY-AND-EQUITY> 562,000 <SALES> 324,900 <TOTAL-REVENUES> 324,900 <CGS> 243,900 <TOTAL-COSTS> 243,900 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 9,600 <INCOME-PRETAX> 20,300 <INCOME-TAX> 6,200 <INCOME-CONTINUING> 14,700 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 14,700 <EPS-BASIC> 1.02 <EPS-DILUTED> 1.02