<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-1999
<PERIOD-START>                             JAN-01-2000             JAN-01-1999
<PERIOD-END>                               MAR-31-2000             MAR-31-1999
<CASH>                                          21,455                  34,876
<SECURITIES>                                     5,464                   5,470
<RECEIVABLES>                                   40,493                  42,320
<ALLOWANCES>                                         0                       0
<INVENTORY>                                     95,783                 105,519
<CURRENT-ASSETS>                               179,517                 205,196
<PP&E>                                         295,932                 282,903
<DEPRECIATION>                                  66,555                  61,772
<TOTAL-ASSETS>                                 410,797                 428,508
<CURRENT-LIABILITIES>                           62,269                  86,699
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        97,112                  97,112
<OTHER-SE>                                           0                       0
<TOTAL-LIABILITY-AND-EQUITY>                   410,797                 428,508
<SALES>                                         87,464                  90,611
<TOTAL-REVENUES>                                98,694                  95,924
<CGS>                                           70,654                  72,324
<TOTAL-COSTS>                                   87,045                  86,510
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                              (1,976)                 (2,081)
<INCOME-PRETAX>                                 10,235                   7,483
<INCOME-TAX>                                    (3,995)                 (1,111)
<INCOME-CONTINUING>                              6,240                   6,372
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     6,240                   6,372
<EPS-BASIC>                                       0.11                    0.11
<EPS-DILUTED>                                     0.09                    0.09