<ARTICLE> 5 <MULTIPLIER> 1000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> $ 6,829 <SECURITIES> 3,783 <RECEIVABLES> 117,905 <ALLOWANCES> (477) <INVENTORY> 86,713 <CURRENT-ASSETS> 222,107 <PP&E> 695,691 <DEPRECIATION> 390,435 <TOTAL-ASSETS> 549,182 <CURRENT-LIABILITIES> 221,579 <BONDS> 128,854 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 50,340 <OTHER-SE> 104,612 <TOTAL-LIABILITY-AND-EQUITY> 549,182 <SALES> 902,533 <TOTAL-REVENUES> 902,533 <CGS> 816,473 <TOTAL-COSTS> 816,473 <OTHER-EXPENSES> 78,222 <LOSS-PROVISION> (1) <INTEREST-EXPENSE> 8,543 <INCOME-PRETAX> 9,210 <INCOME-TAX> 3,560 <INCOME-CONTINUING> 5,650 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,650 <EPS-BASIC> 0.57 <EPS-DILUTED> 0.56