<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> JUL-01-2000 JAN-01-2000
<PERIOD-END> SEP-30-2000 SEP-30-2000
<CASH> 14,774 34,876
<SECURITIES> 4,980 5,970
<RECEIVABLES> 32,393 42,320
<ALLOWANCES> 0 0
<INVENTORY> 110,754 105,519
<CURRENT-ASSETS> 178,842 205,196
<PP&E> 326,477 282,903
<DEPRECIATION> 77,888 61,772
<TOTAL-ASSETS> 428,496 428,508
<CURRENT-LIABILITIES> 87,022 86,699
<BONDS> 0 0
0 0
0 0
<COMMON> 33 33
<OTHER-SE> 0 0
<TOTAL-LIABILITY-AND-EQUITY> 428,496 428,508
<SALES> 67,608 234,315
<TOTAL-REVENUES> 77,224 273,178
<CGS> 56,458 195,686
<TOTAL-COSTS> 77,158 251,339
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 1,773 5,362
<INCOME-PRETAX> (1,299) 17,972
<INCOME-TAX> 524 (6,992)
<INCOME-CONTINUING> (775) (10,980)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (775) 10,980
<EPS-BASIC> (0.01) 0.19
<EPS-DILUTED> (0.01) 0.15
</TABLE>