<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                          49,355
<SECURITIES>                                         0
<RECEIVABLES>                                   81,359
<ALLOWANCES>                                     3,101
<INVENTORY>                                    113,792
<CURRENT-ASSETS>                               270,012
<PP&E>                                         517,249
<DEPRECIATION>                                 267,625
<TOTAL-ASSETS>                                 701,196
<CURRENT-LIABILITIES>                          111,461
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           284
<OTHER-SE>                                     430,247
<TOTAL-LIABILITY-AND-EQUITY>                   701,196
<SALES>                                        731,085
<TOTAL-REVENUES>                               731,085
<CGS>                                          552,474
<TOTAL-COSTS>                                  681,544
<OTHER-EXPENSES>                                 (447)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,978
<INCOME-PRETAX>                                 46,116
<INCOME-TAX>                                    18,400
<INCOME-CONTINUING>                             27,716
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    27,716
<EPS-PRIMARY>                                     0.99
<EPS-DILUTED>                                     0.96