<ARTICLE> 5
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                          22,800
<SECURITIES>                                         0
<RECEIVABLES>                                  129,500
<ALLOWANCES>                                     1,500
<INVENTORY>                                     74,500
<CURRENT-ASSETS>                               237,300
<PP&E>                                         573,300
<DEPRECIATION>                                 256,800
<TOTAL-ASSETS>                                 582,600
<CURRENT-LIABILITIES>                          137,800
<BONDS>                                         79,300
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         4,400
<OTHER-SE>                                     299,700
<TOTAL-LIABILITY-AND-EQUITY>                   582,600
<SALES>                                        975,400
<TOTAL-REVENUES>                             1,039,800
<CGS>                                          854,400
<TOTAL-COSTS>                                  854,400
<OTHER-EXPENSES>                                41,500
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              18,200<F1>
<INCOME-PRETAX>                                115,100
<INCOME-TAX>                                    38,300
<INCOME-CONTINUING>                             76,800
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                (2,300)
<CHANGES>                                            0
<NET-INCOME>                                    74,500
<EPS-PRIMARY>                                     2.87<F1>
<EPS-DILUTED>                                     2.81<F1>
<FN>
<F1>CERTAIN RECLASSIFICATIONS HAVE BEEN MADE TO INFORMATION PREVIOUSLY 
REPORTED TO CONFORM TO CURRENT PRESENTATION.
</FN>