<ARTICLE> 5
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                           5,494
<SECURITIES>                                         0
<RECEIVABLES>                                   96,681
<ALLOWANCES>                                     2,156
<INVENTORY>                                     82,796
<CURRENT-ASSETS>                               259,289
<PP&E>                                         522,265
<DEPRECIATION>                                 237,396
<TOTAL-ASSETS>                                 572,810
<CURRENT-LIABILITIES>                          107,649
<BONDS>                                        168,599
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         4,382    
<OTHER-SE>                                     242,070
<TOTAL-LIABILITY-AND-EQUITY>                   572,810
<SALES>                                        472,370
<TOTAL-REVENUES>                               477,473
<CGS>                                          409,378
<TOTAL-COSTS>                                  409,378
<OTHER-EXPENSES>                                20,170
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               8,000
<INCOME-PRETAX>                                 27,453
<INCOME-TAX>                                     9,473
<INCOME-CONTINUING>                             17,980
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    17,980
<EPS-PRIMARY>                                     0.70<F1>
<EPS-DILUTED>                                     0.69<F1>
<FN>
<F1>Earnings per share have been restated to comply with SFAS No. 128.
</FN>