<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS RESTATED SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
RESPECTIVE CONSOLIDATED FINANCIAL STATEMENTS OF THE COMPANY FOR THE FISCAL YEARS
ENDED DECEMBER 31, 1996 AND DECEMBER 31, 1995 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1995
<PERIOD-START>                             JAN-01-1996             JAN-01-1995
<PERIOD-END>                               DEC-31-1996             DEC-31-1995
<CASH>                                           9,967                  29,230
<SECURITIES>                                    81,863                  65,311
<RECEIVABLES>                                   18,366                  17,711
<ALLOWANCES>                                         0                       0
<INVENTORY>                                     20,668                  27,723
<CURRENT-ASSETS>                               132,651                 140,618
<PP&E>                                         142,257                 145,241
<DEPRECIATION>                                       0                       0
<TOTAL-ASSETS>                                 296,980                 369,953
<CURRENT-LIABILITIES>                           71,129                  73,977
<BONDS>                                         28,610                  22,760
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        85,965                  70,765
<OTHER-SE>                                     108,574                 156,250
<TOTAL-LIABILITY-AND-EQUITY>                   296,980                 369,953
<SALES>                                        174,097                 275,332
<TOTAL-REVENUES>                               186,729                 300,737
<CGS>                                          145,432                 191,726
<TOTAL-COSTS>                                  174,273                 238,486
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               3,978                   4,543
<INCOME-PRETAX>                                 12,456                  62,251
<INCOME-TAX>                                   (3,101)                 (9,132)
<INCOME-CONTINUING>                             15,557                  65,637
<DISCONTINUED>                                     466                 (1,454)
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    16,023                  64,183
<EPS-PRIMARY>                                     1.15                    5.12
<EPS-DILUTED>                                     1.15                    5.02
        

</TABLE>