<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FOR THE
QUARTERLY PERIOD ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JUL-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 48,685
<SECURITIES> 0
<RECEIVABLES> 10,460
<ALLOWANCES> 500
<INVENTORY> 9,104
<CURRENT-ASSETS> 71,980
<PP&E> 50,656
<DEPRECIATION> 26,974
<TOTAL-ASSETS> 97,310
<CURRENT-LIABILITIES> 9,530
<BONDS> 0
0
0
<COMMON> 21,969
<OTHER-SE> 65,055
<TOTAL-LIABILITY-AND-EQUITY> 97,310
<SALES> 116,474
<TOTAL-REVENUES> 116,474
<CGS> 97,765
<TOTAL-COSTS> 97,765
<OTHER-EXPENSES> 5,647
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 14,878
<INCOME-TAX> 6,198
<INCOME-CONTINUING> 8,680
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 8,680
<EPS-BASIC> 1.13
<EPS-DILUTED> 1.11
</TABLE>