<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM JUNE 2000
FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<CASH> 10,899
<SECURITIES> 6,448
<RECEIVABLES> 71,592
<ALLOWANCES> (2,156)
<INVENTORY> 76,657
<CURRENT-ASSETS> 25,294
<PP&E> 377,721
<DEPRECIATION> (217,755)
<TOTAL-ASSETS> 445,306
<CURRENT-LIABILITIES> 95,485
<BONDS> 36,255
0
3,569
<COMMON> 18,841
<OTHER-SE> 198,150
<TOTAL-LIABILITY-AND-EQUITY> 445,306
<SALES> 248,921
<TOTAL-REVENUES> 250,839
<CGS> 155,229
<TOTAL-COSTS> 167,044
<OTHER-EXPENSES> (193)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,661
<INCOME-PRETAX> 16,338
<INCOME-TAX> 6,053
<INCOME-CONTINUING> 10,285
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 10,285
<EPS-BASIC> .81
<EPS-DILUTED> .80
</TABLE>