
<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                          46,940
<SECURITIES>                                         0
<RECEIVABLES>                                   66,699
<ALLOWANCES>                                       518
<INVENTORY>                                     70,093
<CURRENT-ASSETS>                               191,919
<PP&E>                                         291,323
<DEPRECIATION>                                 126,233
<TOTAL-ASSETS>                                 412,220
<CURRENT-LIABILITIES>                           71,401
<BONDS>                                          1,971
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        20,472
<OTHER-SE>                                     289,339
<TOTAL-LIABILITY-AND-EQUITY>                   412,220
<SALES>                                        110,720
<TOTAL-REVENUES>                               113,126
<CGS>                                           85,118
<TOTAL-COSTS>                                   85,118
<OTHER-EXPENSES>                                 1,114
<LOSS-PROVISION>                                   204
<INTEREST-EXPENSE>                                  83
<INCOME-PRETAX>                                 12,747
<INCOME-TAX>                                     5,036
<INCOME-CONTINUING>                              8,119
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     8,119
<EPS-PRIMARY>                                     0.39
<EPS-DILUTED>                                     0.00
        

</TABLE>
