<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-1-1998 <PERIOD-END> DEC-31-1998 <CASH> 5,848 <SECURITIES> 0 <RECEIVABLES> 110,811 <ALLOWANCES> 5,133 <INVENTORY> 65,898 <CURRENT-ASSETS> 197,430 <PP&E> 485,082 <DEPRECIATION> 240,227 <TOTAL-ASSETS> 584,015 <CURRENT-LIABILITIES> 148,538 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,583 <OTHER-SE> 214,422 <TOTAL-LIABILITY-AND-EQUITY> 584,015 <SALES> 841,598 <TOTAL-REVENUES> 841,598 <CGS> 730,857 <TOTAL-COSTS> 765,949 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 11,305 <INCOME-PRETAX> 65,188 <INCOME-TAX> 24,199 <INCOME-CONTINUING> 40,989 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 40,989 <EPS-PRIMARY> 1.60 <EPS-DILUTED> 1.58